89980340

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{3709}}^1$

素因数の和:4931

約数の個数: 24

約数和(自身を含む): 189165480

約数和(自身を除く): 99185140

約数列:

[1, 2, 4, 5, 10, 20, 1213, 2426, 3709, 4852, 6065, 7418, 12130, 14836, 18545, 24260, 37090, 74180, 4499017, 8998034, 17996068, 22495085, 44990170, 89980340]

約数ペア:

[(1, 89980340), (2, 44990170), (4, 22495085), (5, 17996068), (10, 8998034), (20, 4499017), (1213, 74180), (2426, 37090), (3709, 24260), (4852, 18545), (6065, 14836), (7418, 12130)]