8887029160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:731

約数の個数: 128

約数和(自身を含む): 21042892800

約数和(自身を除く): 12155863640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 257, 310, 316, 353, 395, 514, 620, 632, 706, 790, 1028, 1240, 1285, 1412, 1580, 1765, 2056, 2449, 2570, 2824, 3160, 3530, 4898, 5140, 7060, 7967, 9796, 10280, 10943, 12245, 14120, 15934, 19592, 20303, 21886, 24490, 27887, 31868, 39835, 40606, 43772, 48980, 54715, 55774, 63736, 79670, 81212, 87544, 90721, 97960, 101515, 109430, 111548, 139435, 159340, 162424, 181442, 203030, 218860, 223096, 278870, 318680, 362884, 406060, 437720, 453605, 557740, 629393, 725768, 812120, 864497, 907210, 1115480, 1258786, 1728994, 1814420, 2517572, 2812351, 3146965, 3457988, 3628840, 4322485, 5035144, 5624702, 6293930, 6915976, 7166959, 8644970, 11249404, 12587860, 14061755, 14333918, 17289940, 22498808, 25175720, 28123510, 28667836, 34579880, 35834795, 56247020, 57335672, 71669590, 112494040, 143339180, 222175729, 286678360, 444351458, 888702916, 1110878645, 1777405832, 2221757290, 4443514580, 8887029160]

約数ペア:

[(1, 8887029160), (2, 4443514580), (4, 2221757290), (5, 1777405832), (8, 1110878645), (10, 888702916), (20, 444351458), (31, 286678360), (40, 222175729), (62, 143339180), (79, 112494040), (124, 71669590), (155, 57335672), (158, 56247020), (248, 35834795), (257, 34579880), (310, 28667836), (316, 28123510), (353, 25175720), (395, 22498808), (514, 17289940), (620, 14333918), (632, 14061755), (706, 12587860), (790, 11249404), (1028, 8644970), (1240, 7166959), (1285, 6915976), (1412, 6293930), (1580, 5624702), (1765, 5035144), (2056, 4322485), (2449, 3628840), (2570, 3457988), (2824, 3146965), (3160, 2812351), (3530, 2517572), (4898, 1814420), (5140, 1728994), (7060, 1258786), (7967, 1115480), (9796, 907210), (10280, 864497), (10943, 812120), (12245, 725768), (14120, 629393), (15934, 557740), (19592, 453605), (20303, 437720), (21886, 406060), (24490, 362884), (27887, 318680), (31868, 278870), (39835, 223096), (40606, 218860), (43772, 203030), (48980, 181442), (54715, 162424), (55774, 159340), (63736, 139435), (79670, 111548), (81212, 109430), (87544, 101515), (90721, 97960)]