71193680

素因数分解:

$2^4\times 5^1\times {\mathrm{889921}}^1$

素因数の和:889934

約数の個数: 20

約数和(自身を含む): 165525492

約数和(自身を除く): 94331812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 889921, 1779842, 3559684, 4449605, 7119368, 8899210, 14238736, 17798420, 35596840, 71193680]

約数ペア:

[(1, 71193680), (2, 35596840), (4, 17798420), (5, 14238736), (8, 8899210), (10, 7119368), (16, 4449605), (20, 3559684), (40, 1779842), (80, 889921)]