71057740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{21023}}^1$

素因数の和:21058

約数の個数: 36

約数和(自身を含む): 161590464

約数和(自身を除く): 90532724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 21023, 42046, 84092, 105115, 210230, 273299, 420460, 546598, 1093196, 1366495, 2732990, 3552887, 5465980, 7105774, 14211548, 17764435, 35528870, 71057740]

約数ペア:

[(1, 71057740), (2, 35528870), (4, 17764435), (5, 14211548), (10, 7105774), (13, 5465980), (20, 3552887), (26, 2732990), (52, 1366495), (65, 1093196), (130, 546598), (169, 420460), (260, 273299), (338, 210230), (676, 105115), (845, 84092), (1690, 42046), (3380, 21023)]