51263840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:480

約数の個数: 96

約数和(自身を含む): 131289984

約数和(自身を除く): 80026144

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 68, 80, 85, 94, 136, 160, 170, 188, 235, 272, 340, 376, 401, 470, 544, 680, 752, 799, 802, 940, 1360, 1504, 1598, 1604, 1880, 2005, 2720, 3196, 3208, 3760, 3995, 4010, 6392, 6416, 6817, 7520, 7990, 8020, 12784, 12832, 13634, 15980, 16040, 18847, 25568, 27268, 31960, 32080, 34085, 37694, 54536, 63920, 64160, 68170, 75388, 94235, 109072, 127840, 136340, 150776, 188470, 218144, 272680, 301552, 320399, 376940, 545360, 603104, 640798, 753880, 1090720, 1281596, 1507760, 1601995, 2563192, 3015520, 3203990, 5126384, 6407980, 10252768, 12815960, 25631920, 51263840]

約数ペア:

[(1, 51263840), (2, 25631920), (4, 12815960), (5, 10252768), (8, 6407980), (10, 5126384), (16, 3203990), (17, 3015520), (20, 2563192), (32, 1601995), (34, 1507760), (40, 1281596), (47, 1090720), (68, 753880), (80, 640798), (85, 603104), (94, 545360), (136, 376940), (160, 320399), (170, 301552), (188, 272680), (235, 218144), (272, 188470), (340, 150776), (376, 136340), (401, 127840), (470, 109072), (544, 94235), (680, 75388), (752, 68170), (799, 64160), (802, 63920), (940, 54536), (1360, 37694), (1504, 34085), (1598, 32080), (1604, 31960), (1880, 27268), (2005, 25568), (2720, 18847), (3196, 16040), (3208, 15980), (3760, 13634), (3995, 12832), (4010, 12784), (6392, 8020), (6416, 7990), (6817, 7520)]