12740048

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{27457}}^1$

素因数の和:27494

約数の個数: 20

約数和(自身を含む): 25535940

約数和(自身を除く): 12795892

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 27457, 54914, 109828, 219656, 439312, 796253, 1592506, 3185012, 6370024, 12740048]

約数ペア:

[(1, 12740048), (2, 6370024), (4, 3185012), (8, 1592506), (16, 796253), (29, 439312), (58, 219656), (116, 109828), (232, 54914), (464, 27457)]