68406040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 160846560

約数和(自身を除く): 92440520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 205, 212, 265, 328, 410, 424, 530, 787, 820, 1060, 1574, 1640, 2120, 2173, 3148, 3935, 4346, 6296, 7870, 8692, 10865, 15740, 17384, 21730, 31480, 32267, 41711, 43460, 64534, 83422, 86920, 129068, 161335, 166844, 208555, 258136, 322670, 333688, 417110, 645340, 834220, 1290680, 1668440, 1710151, 3420302, 6840604, 8550755, 13681208, 17101510, 34203020, 68406040]

約数ペア:

[(1, 68406040), (2, 34203020), (4, 17101510), (5, 13681208), (8, 8550755), (10, 6840604), (20, 3420302), (40, 1710151), (41, 1668440), (53, 1290680), (82, 834220), (106, 645340), (164, 417110), (205, 333688), (212, 322670), (265, 258136), (328, 208555), (410, 166844), (424, 161335), (530, 129068), (787, 86920), (820, 83422), (1060, 64534), (1574, 43460), (1640, 41711), (2120, 32267), (2173, 31480), (3148, 21730), (3935, 17384), (4346, 15740), (6296, 10865), (7870, 8692)]