39970220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46477}}^1$

素因数の和:46529

約数の個数: 24

約数和(自身を含む): 85891344

約数和(自身を除く): 45921124

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 46477, 92954, 185908, 232385, 464770, 929540, 1998511, 3997022, 7994044, 9992555, 19985110, 39970220]

約数ペア:

[(1, 39970220), (2, 19985110), (4, 9992555), (5, 7994044), (10, 3997022), (20, 1998511), (43, 929540), (86, 464770), (172, 232385), (215, 185908), (430, 92954), (860, 46477)]