53841640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 125096400

約数和(自身を除く): 71254760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 109, 212, 218, 233, 265, 424, 436, 466, 530, 545, 872, 932, 1060, 1090, 1165, 1864, 2120, 2180, 2330, 4360, 4660, 5777, 9320, 11554, 12349, 23108, 24698, 25397, 28885, 46216, 49396, 50794, 57770, 61745, 98792, 101588, 115540, 123490, 126985, 203176, 231080, 246980, 253970, 493960, 507940, 1015880, 1346041, 2692082, 5384164, 6730205, 10768328, 13460410, 26920820, 53841640]

約数ペア:

[(1, 53841640), (2, 26920820), (4, 13460410), (5, 10768328), (8, 6730205), (10, 5384164), (20, 2692082), (40, 1346041), (53, 1015880), (106, 507940), (109, 493960), (212, 253970), (218, 246980), (233, 231080), (265, 203176), (424, 126985), (436, 123490), (466, 115540), (530, 101588), (545, 98792), (872, 61745), (932, 57770), (1060, 50794), (1090, 49396), (1165, 46216), (1864, 28885), (2120, 25397), (2180, 24698), (2330, 23108), (4360, 12349), (4660, 11554), (5777, 9320)]