72885980

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{6473}}^1$

素因数の和:7045

約数の個数: 24

約数和(自身を含む): 153356112

約数和(自身を除く): 80470132

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 2252, 2815, 5630, 6473, 11260, 12946, 25892, 32365, 64730, 129460, 3644299, 7288598, 14577196, 18221495, 36442990, 72885980]

約数ペア:

[(1, 72885980), (2, 36442990), (4, 18221495), (5, 14577196), (10, 7288598), (20, 3644299), (563, 129460), (1126, 64730), (2252, 32365), (2815, 25892), (5630, 12946), (6473, 11260)]