20161745000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1229}}^1$

素因数の和:1465

約数の個数: 160

約数和(自身を含む): 50317799400

約数和(自身を除く): 30156054400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 193, 200, 250, 340, 386, 425, 500, 625, 680, 772, 850, 965, 1000, 1229, 1250, 1544, 1700, 1930, 2125, 2458, 2500, 3281, 3400, 3860, 4250, 4825, 4916, 5000, 6145, 6562, 7720, 8500, 9650, 9832, 10625, 12290, 13124, 16405, 17000, 19300, 20893, 21250, 24125, 24580, 26248, 30725, 32810, 38600, 41786, 42500, 48250, 49160, 61450, 65620, 82025, 83572, 85000, 96500, 104465, 120625, 122900, 131240, 153625, 164050, 167144, 193000, 208930, 237197, 241250, 245800, 307250, 328100, 410125, 417860, 474394, 482500, 522325, 614500, 656200, 768125, 820250, 835720, 948788, 965000, 1044650, 1185985, 1229000, 1536250, 1640500, 1897576, 2050625, 2089300, 2371970, 2611625, 3072500, 3281000, 4032349, 4101250, 4178600, 4743940, 5223250, 5929925, 6145000, 8064698, 8202500, 9487880, 10446500, 11859850, 13058125, 16129396, 16405000, 20161745, 20893000, 23719700, 26116250, 29649625, 32258792, 40323490, 47439400, 52232500, 59299250, 80646980, 100808725, 104465000, 118598500, 148248125, 161293960, 201617450, 237197000, 296496250, 403234900, 504043625, 592992500, 806469800, 1008087250, 1185985000, 2016174500, 2520218125, 4032349000, 5040436250, 10080872500, 20161745000]

約数ペア:

[(1, 20161745000), (2, 10080872500), (4, 5040436250), (5, 4032349000), (8, 2520218125), (10, 2016174500), (17, 1185985000), (20, 1008087250), (25, 806469800), (34, 592992500), (40, 504043625), (50, 403234900), (68, 296496250), (85, 237197000), (100, 201617450), (125, 161293960), (136, 148248125), (170, 118598500), (193, 104465000), (200, 100808725), (250, 80646980), (340, 59299250), (386, 52232500), (425, 47439400), (500, 40323490), (625, 32258792), (680, 29649625), (772, 26116250), (850, 23719700), (965, 20893000), (1000, 20161745), (1229, 16405000), (1250, 16129396), (1544, 13058125), (1700, 11859850), (1930, 10446500), (2125, 9487880), (2458, 8202500), (2500, 8064698), (3281, 6145000), (3400, 5929925), (3860, 5223250), (4250, 4743940), (4825, 4178600), (4916, 4101250), (5000, 4032349), (6145, 3281000), (6562, 3072500), (7720, 2611625), (8500, 2371970), (9650, 2089300), (9832, 2050625), (10625, 1897576), (12290, 1640500), (13124, 1536250), (16405, 1229000), (17000, 1185985), (19300, 1044650), (20893, 965000), (21250, 948788), (24125, 835720), (24580, 820250), (26248, 768125), (30725, 656200), (32810, 614500), (38600, 522325), (41786, 482500), (42500, 474394), (48250, 417860), (49160, 410125), (61450, 328100), (65620, 307250), (82025, 245800), (83572, 241250), (85000, 237197), (96500, 208930), (104465, 193000), (120625, 167144), (122900, 164050), (131240, 153625)]