3956420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15217}}^1$

素因数の和:15239

約数の個数: 24

約数和(自身を含む): 8948184

約数和(自身を除く): 4991764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 15217, 30434, 60868, 76085, 152170, 197821, 304340, 395642, 791284, 989105, 1978210, 3956420]

約数ペア:

[(1, 3956420), (2, 1978210), (4, 989105), (5, 791284), (10, 395642), (13, 304340), (20, 197821), (26, 152170), (52, 76085), (65, 60868), (130, 30434), (260, 15217)]