2278907560

素因数分解:

$2^3\times 5^1\times {\mathrm{2579}}^1\times {\mathrm{22091}}^1$

素因数の和:24681

約数の個数: 32

約数和(自身を含む): 5129762400

約数和(自身を除く): 2850854840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2579, 5158, 10316, 12895, 20632, 22091, 25790, 44182, 51580, 88364, 103160, 110455, 176728, 220910, 441820, 883640, 56972689, 113945378, 227890756, 284863445, 455781512, 569726890, 1139453780, 2278907560]

約数ペア:

[(1, 2278907560), (2, 1139453780), (4, 569726890), (5, 455781512), (8, 284863445), (10, 227890756), (20, 113945378), (40, 56972689), (2579, 883640), (5158, 441820), (10316, 220910), (12895, 176728), (20632, 110455), (22091, 103160), (25790, 88364), (44182, 51580)]