72528920

素因数分解:

$2^3\times 5^1\times {\mathrm{1813223}}^1$

素因数の和:1813234

約数の個数: 16

約数和(自身を含む): 163190160

約数和(自身を除く): 90661240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1813223, 3626446, 7252892, 9066115, 14505784, 18132230, 36264460, 72528920]

約数ペア:

[(1, 72528920), (2, 36264460), (4, 18132230), (5, 14505784), (8, 9066115), (10, 7252892), (20, 3626446), (40, 1813223)]