25358740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1579}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 58927680

約数和(自身を除く): 33568940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1579, 1606, 3158, 3212, 4015, 6316, 7895, 8030, 15790, 16060, 17369, 31580, 34738, 69476, 86845, 115267, 173690, 230534, 347380, 461068, 576335, 1152670, 1267937, 2305340, 2535874, 5071748, 6339685, 12679370, 25358740]

約数ペア:

[(1, 25358740), (2, 12679370), (4, 6339685), (5, 5071748), (10, 2535874), (11, 2305340), (20, 1267937), (22, 1152670), (44, 576335), (55, 461068), (73, 347380), (110, 230534), (146, 173690), (220, 115267), (292, 86845), (365, 69476), (730, 34738), (803, 31580), (1460, 17369), (1579, 16060), (1606, 15790), (3158, 8030), (3212, 7895), (4015, 6316)]