72948880

素因数分解:

$2^4\times 5^1\times {\mathrm{911861}}^1$

素因数の和:911874

約数の個数: 20

約数和(自身を含む): 169606332

約数和(自身を除く): 96657452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 911861, 1823722, 3647444, 4559305, 7294888, 9118610, 14589776, 18237220, 36474440, 72948880]

約数ペア:

[(1, 72948880), (2, 36474440), (4, 18237220), (5, 14589776), (8, 9118610), (10, 7294888), (16, 4559305), (20, 3647444), (40, 1823722), (80, 911861)]