72017360

素因数分解:

$2^4\times 5^1\times {\mathrm{900217}}^1$

素因数の和:900230

約数の個数: 20

約数和(自身を含む): 167440548

約数和(自身を除く): 95423188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 900217, 1800434, 3600868, 4501085, 7201736, 9002170, 14403472, 18004340, 36008680, 72017360]

約数ペア:

[(1, 72017360), (2, 36008680), (4, 18004340), (5, 14403472), (8, 9002170), (10, 7201736), (16, 4501085), (20, 3600868), (40, 1800434), (80, 900217)]