15742420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25391}}^1$

素因数の和:25431

約数の個数: 24

約数和(自身を含む): 34126848

約数和(自身を除く): 18384428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 25391, 50782, 101564, 126955, 253910, 507820, 787121, 1574242, 3148484, 3935605, 7871210, 15742420]

約数ペア:

[(1, 15742420), (2, 7871210), (4, 3935605), (5, 3148484), (10, 1574242), (20, 787121), (31, 507820), (62, 253910), (124, 126955), (155, 101564), (310, 50782), (620, 25391)]