205966540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{792179}}^1$

素因数の和:792201

約数の個数: 24

約数和(自身を含む): 465801840

約数和(自身を除く): 259835300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 792179, 1584358, 3168716, 3960895, 7921790, 10298327, 15843580, 20596654, 41193308, 51491635, 102983270, 205966540]

約数ペア:

[(1, 205966540), (2, 102983270), (4, 51491635), (5, 41193308), (10, 20596654), (13, 15843580), (20, 10298327), (26, 7921790), (52, 3960895), (65, 3168716), (130, 1584358), (260, 792179)]