56631940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 122330880

約数和(自身を除く): 65698940

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 292, 316, 365, 395, 491, 730, 790, 982, 1460, 1580, 1964, 2455, 4910, 5767, 9820, 11534, 23068, 28835, 35843, 38789, 57670, 71686, 77578, 115340, 143372, 155156, 179215, 193945, 358430, 387890, 716860, 775780, 2831597, 5663194, 11326388, 14157985, 28315970, 56631940]

約数ペア:

[(1, 56631940), (2, 28315970), (4, 14157985), (5, 11326388), (10, 5663194), (20, 2831597), (73, 775780), (79, 716860), (146, 387890), (158, 358430), (292, 193945), (316, 179215), (365, 155156), (395, 143372), (491, 115340), (730, 77578), (790, 71686), (982, 57670), (1460, 38789), (1580, 35843), (1964, 28835), (2455, 23068), (4910, 11534), (5767, 9820)]