8656120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 21565440

約数和(自身を除く): 12909320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 191, 206, 220, 382, 412, 440, 515, 764, 824, 955, 1030, 1133, 1528, 1910, 2060, 2101, 2266, 3820, 4120, 4202, 4532, 5665, 7640, 8404, 9064, 10505, 11330, 16808, 19673, 21010, 22660, 39346, 42020, 45320, 78692, 84040, 98365, 157384, 196730, 216403, 393460, 432806, 786920, 865612, 1082015, 1731224, 2164030, 4328060, 8656120]

約数ペア:

[(1, 8656120), (2, 4328060), (4, 2164030), (5, 1731224), (8, 1082015), (10, 865612), (11, 786920), (20, 432806), (22, 393460), (40, 216403), (44, 196730), (55, 157384), (88, 98365), (103, 84040), (110, 78692), (191, 45320), (206, 42020), (220, 39346), (382, 22660), (412, 21010), (440, 19673), (515, 16808), (764, 11330), (824, 10505), (955, 9064), (1030, 8404), (1133, 7640), (1528, 5665), (1910, 4532), (2060, 4202), (2101, 4120), (2266, 3820)]