72731740

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{8209}}^1$

素因数の和:8661

約数の個数: 24

約数和(自身を含む): 153100080

約数和(自身を除く): 80368340

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8209, 8860, 16418, 32836, 41045, 82090, 164180, 3636587, 7273174, 14546348, 18182935, 36365870, 72731740]

約数ペア:

[(1, 72731740), (2, 36365870), (4, 18182935), (5, 14546348), (10, 7273174), (20, 3636587), (443, 164180), (886, 82090), (1772, 41045), (2215, 32836), (4430, 16418), (8209, 8860)]