72142580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{116359}}^1$

素因数の和:116399

約数の個数: 24

約数和(自身を含む): 156387840

約数和(自身を除く): 84245260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 116359, 232718, 465436, 581795, 1163590, 2327180, 3607129, 7214258, 14428516, 18035645, 36071290, 72142580]

約数ペア:

[(1, 72142580), (2, 36071290), (4, 18035645), (5, 14428516), (10, 7214258), (20, 3607129), (31, 2327180), (62, 1163590), (124, 581795), (155, 465436), (310, 232718), (620, 116359)]