22638460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87071}}^1$

素因数の和:87093

約数の個数: 24

約数和(自身を含む): 51198336

約数和(自身を除く): 28559876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 87071, 174142, 348284, 435355, 870710, 1131923, 1741420, 2263846, 4527692, 5659615, 11319230, 22638460]

約数ペア:

[(1, 22638460), (2, 11319230), (4, 5659615), (5, 4527692), (10, 2263846), (13, 1741420), (20, 1131923), (26, 870710), (52, 435355), (65, 348284), (130, 174142), (260, 87071)]