25263380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30809}}^1$

素因数の和:30859

約数の個数: 24

約数和(自身を含む): 54348840

約数和(自身を除く): 29085460

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 30809, 61618, 123236, 154045, 308090, 616180, 1263169, 2526338, 5052676, 6315845, 12631690, 25263380]

約数ペア:

[(1, 25263380), (2, 12631690), (4, 6315845), (5, 5052676), (10, 2526338), (20, 1263169), (41, 616180), (82, 308090), (164, 154045), (205, 123236), (410, 61618), (820, 30809)]