25287790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{20899}}^1$

素因数の和:20928

約数の個数: 24

約数和(自身を含む): 50034600

約数和(自身を除く): 24746810

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 20899, 41798, 104495, 208990, 229889, 459778, 1149445, 2298890, 2528779, 5057558, 12643895, 25287790]

約数ペア:

[(1, 25287790), (2, 12643895), (5, 5057558), (10, 2528779), (11, 2298890), (22, 1149445), (55, 459778), (110, 229889), (121, 208990), (242, 104495), (605, 41798), (1210, 20899)]