91795720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 213373440

約数和(自身を除く): 121577720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 223, 251, 328, 410, 446, 502, 820, 892, 1004, 1115, 1255, 1640, 1784, 2008, 2230, 2510, 4460, 5020, 8920, 9143, 10040, 10291, 18286, 20582, 36572, 41164, 45715, 51455, 55973, 73144, 82328, 91430, 102910, 111946, 182860, 205820, 223892, 279865, 365720, 411640, 447784, 559730, 1119460, 2238920, 2294893, 4589786, 9179572, 11474465, 18359144, 22948930, 45897860, 91795720]

約数ペア:

[(1, 91795720), (2, 45897860), (4, 22948930), (5, 18359144), (8, 11474465), (10, 9179572), (20, 4589786), (40, 2294893), (41, 2238920), (82, 1119460), (164, 559730), (205, 447784), (223, 411640), (251, 365720), (328, 279865), (410, 223892), (446, 205820), (502, 182860), (820, 111946), (892, 102910), (1004, 91430), (1115, 82328), (1255, 73144), (1640, 55973), (1784, 51455), (2008, 45715), (2230, 41164), (2510, 36572), (4460, 20582), (5020, 18286), (8920, 10291), (9143, 10040)]