25321220

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2273}}^1$

素因数の和:2839

約数の個数: 24

約数和(自身を含む): 53293464

約数和(自身を除く): 27972244

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2273, 2785, 4546, 5570, 9092, 11140, 11365, 22730, 45460, 1266061, 2532122, 5064244, 6330305, 12660610, 25321220]

約数ペア:

[(1, 25321220), (2, 12660610), (4, 6330305), (5, 5064244), (10, 2532122), (20, 1266061), (557, 45460), (1114, 22730), (2228, 11365), (2273, 11140), (2785, 9092), (4546, 5570)]