25479820

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{2239}}^1$

素因数の和:2817

約数の個数: 24

約数和(自身を含む): 53625600

約数和(自身を除く): 28145780

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2239, 2276, 2845, 4478, 5690, 8956, 11195, 11380, 22390, 44780, 1273991, 2547982, 5095964, 6369955, 12739910, 25479820]

約数ペア:

[(1, 25479820), (2, 12739910), (4, 6369955), (5, 5095964), (10, 2547982), (20, 1273991), (569, 44780), (1138, 22390), (2239, 11380), (2276, 11195), (2845, 8956), (4478, 5690)]