61520140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{279637}}^1$

素因数の和:279657

約数の個数: 24

約数和(自身を含む): 140937552

約数和(自身を除く): 79417412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 279637, 559274, 1118548, 1398185, 2796370, 3076007, 5592740, 6152014, 12304028, 15380035, 30760070, 61520140]

約数ペア:

[(1, 61520140), (2, 30760070), (4, 15380035), (5, 12304028), (10, 6152014), (11, 5592740), (20, 3076007), (22, 2796370), (44, 1398185), (55, 1118548), (110, 559274), (220, 279637)]