2898040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1367}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 6648480

約数和(自身を除く): 3750440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 1367, 2120, 2734, 5468, 6835, 10936, 13670, 27340, 54680, 72451, 144902, 289804, 362255, 579608, 724510, 1449020, 2898040]

約数ペア:

[(1, 2898040), (2, 1449020), (4, 724510), (5, 579608), (8, 362255), (10, 289804), (20, 144902), (40, 72451), (53, 54680), (106, 27340), (212, 13670), (265, 10936), (424, 6835), (530, 5468), (1060, 2734), (1367, 2120)]