12539540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2837}}^1$

素因数の和:2876

約数の個数: 48

約数和(自身を含む): 30037392

約数和(自身を除く): 17497852

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 2837, 4420, 5674, 11348, 14185, 28370, 36881, 48229, 56740, 73762, 96458, 147524, 184405, 192916, 241145, 368810, 482290, 626977, 737620, 964580, 1253954, 2507908, 3134885, 6269770, 12539540]

約数ペア:

[(1, 12539540), (2, 6269770), (4, 3134885), (5, 2507908), (10, 1253954), (13, 964580), (17, 737620), (20, 626977), (26, 482290), (34, 368810), (52, 241145), (65, 192916), (68, 184405), (85, 147524), (130, 96458), (170, 73762), (221, 56740), (260, 48229), (340, 36881), (442, 28370), (884, 14185), (1105, 11348), (2210, 5674), (2837, 4420)]