25705360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:532

約数の個数: 80

約数和(自身を含む): 64964592

約数和(自身を除く): 39259232

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 461, 656, 680, 697, 820, 922, 1360, 1394, 1640, 1844, 2305, 2788, 3280, 3485, 3688, 4610, 5576, 6970, 7376, 7837, 9220, 11152, 13940, 15674, 18440, 18901, 27880, 31348, 36880, 37802, 39185, 55760, 62696, 75604, 78370, 94505, 125392, 151208, 156740, 189010, 302416, 313480, 321317, 378020, 626960, 642634, 756040, 1285268, 1512080, 1606585, 2570536, 3213170, 5141072, 6426340, 12852680, 25705360]

約数ペア:

[(1, 25705360), (2, 12852680), (4, 6426340), (5, 5141072), (8, 3213170), (10, 2570536), (16, 1606585), (17, 1512080), (20, 1285268), (34, 756040), (40, 642634), (41, 626960), (68, 378020), (80, 321317), (82, 313480), (85, 302416), (136, 189010), (164, 156740), (170, 151208), (205, 125392), (272, 94505), (328, 78370), (340, 75604), (410, 62696), (461, 55760), (656, 39185), (680, 37802), (697, 36880), (820, 31348), (922, 27880), (1360, 18901), (1394, 18440), (1640, 15674), (1844, 13940), (2305, 11152), (2788, 9220), (3280, 7837), (3485, 7376), (3688, 6970), (4610, 5576)]