31355980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{38239}}^1$

素因数の和:38289

約数の個数: 24

約数和(自身を含む): 67455360

約数和(自身を除く): 36099380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 38239, 76478, 152956, 191195, 382390, 764780, 1567799, 3135598, 6271196, 7838995, 15677990, 31355980]

約数ペア:

[(1, 31355980), (2, 15677990), (4, 7838995), (5, 6271196), (10, 3135598), (20, 1567799), (41, 764780), (82, 382390), (164, 191195), (205, 152956), (410, 76478), (820, 38239)]