31382240

素因数分解:

$2^5\times 5^1\times {\mathrm{196139}}^1$

素因数の和:196154

約数の個数: 24

約数和(自身を含む): 74140920

約数和(自身を除く): 42758680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 196139, 392278, 784556, 980695, 1569112, 1961390, 3138224, 3922780, 6276448, 7845560, 15691120, 31382240]

約数ペア:

[(1, 31382240), (2, 15691120), (4, 7845560), (5, 6276448), (8, 3922780), (10, 3138224), (16, 1961390), (20, 1569112), (32, 980695), (40, 784556), (80, 392278), (160, 196139)]