28484140

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{2503}}^1$

素因数の和:3081

約数の個数: 24

約数和(自身を含む): 59945760

約数和(自身を除く): 31461620

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2503, 2845, 5006, 5690, 10012, 11380, 12515, 25030, 50060, 1424207, 2848414, 5696828, 7121035, 14242070, 28484140]

約数ペア:

[(1, 28484140), (2, 14242070), (4, 7121035), (5, 5696828), (10, 2848414), (20, 1424207), (569, 50060), (1138, 25030), (2276, 12515), (2503, 11380), (2845, 10012), (5006, 5690)]