87894160

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 211986432

約数和(自身を除く): 124092272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 127, 164, 205, 211, 254, 328, 410, 422, 508, 635, 656, 820, 844, 1016, 1055, 1270, 1640, 1688, 2032, 2110, 2540, 3280, 3376, 4220, 5080, 5207, 8440, 8651, 10160, 10414, 16880, 17302, 20828, 26035, 26797, 34604, 41656, 43255, 52070, 53594, 69208, 83312, 86510, 104140, 107188, 133985, 138416, 173020, 208280, 214376, 267970, 346040, 416560, 428752, 535940, 692080, 1071880, 1098677, 2143760, 2197354, 4394708, 5493385, 8789416, 10986770, 17578832, 21973540, 43947080, 87894160]

約数ペア:

[(1, 87894160), (2, 43947080), (4, 21973540), (5, 17578832), (8, 10986770), (10, 8789416), (16, 5493385), (20, 4394708), (40, 2197354), (41, 2143760), (80, 1098677), (82, 1071880), (127, 692080), (164, 535940), (205, 428752), (211, 416560), (254, 346040), (328, 267970), (410, 214376), (422, 208280), (508, 173020), (635, 138416), (656, 133985), (820, 107188), (844, 104140), (1016, 86510), (1055, 83312), (1270, 69208), (1640, 53594), (1688, 52070), (2032, 43255), (2110, 41656), (2540, 34604), (3280, 26797), (3376, 26035), (4220, 20828), (5080, 17302), (5207, 16880), (8440, 10414), (8651, 10160)]