28958800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5569}}^1$

素因数の和:5600

約数の個数: 60

約数和(自身を含む): 74938780

約数和(自身を除く): 45979980

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 5569, 11138, 22276, 27845, 44552, 55690, 72397, 89104, 111380, 139225, 144794, 222760, 278450, 289588, 361985, 445520, 556900, 579176, 723970, 1113800, 1158352, 1447940, 1809925, 2227600, 2895880, 3619850, 5791760, 7239700, 14479400, 28958800]

約数ペア:

[(1, 28958800), (2, 14479400), (4, 7239700), (5, 5791760), (8, 3619850), (10, 2895880), (13, 2227600), (16, 1809925), (20, 1447940), (25, 1158352), (26, 1113800), (40, 723970), (50, 579176), (52, 556900), (65, 445520), (80, 361985), (100, 289588), (104, 278450), (130, 222760), (200, 144794), (208, 139225), (260, 111380), (325, 89104), (400, 72397), (520, 55690), (650, 44552), (1040, 27845), (1300, 22276), (2600, 11138), (5200, 5569)]