90409150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139091}}^1$

素因数の和:139116

約数の個数: 24

約数和(自身を含む): 181097784

約数和(自身を除く): 90688634

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 139091, 278182, 695455, 1390910, 1808183, 3477275, 3616366, 6954550, 9040915, 18081830, 45204575, 90409150]

約数ペア:

[(1, 90409150), (2, 45204575), (5, 18081830), (10, 9040915), (13, 6954550), (25, 3616366), (26, 3477275), (50, 1808183), (65, 1390910), (130, 695455), (325, 278182), (650, 139091)]