12680140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{57637}}^1$

素因数の和:57657

約数の個数: 24

約数和(自身を含む): 29049552

約数和(自身を除く): 16369412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 57637, 115274, 230548, 288185, 576370, 634007, 1152740, 1268014, 2536028, 3170035, 6340070, 12680140]

約数ペア:

[(1, 12680140), (2, 6340070), (4, 3170035), (5, 2536028), (10, 1268014), (11, 1152740), (20, 634007), (22, 576370), (44, 288185), (55, 230548), (110, 115274), (220, 57637)]