42959540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165229}}^1$

素因数の和:165251

約数の個数: 24

約数和(自身を含む): 97155240

約数和(自身を除く): 54195700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 165229, 330458, 660916, 826145, 1652290, 2147977, 3304580, 4295954, 8591908, 10739885, 21479770, 42959540]

約数ペア:

[(1, 42959540), (2, 21479770), (4, 10739885), (5, 8591908), (10, 4295954), (13, 3304580), (20, 2147977), (26, 1652290), (52, 826145), (65, 660916), (130, 330458), (260, 165229)]