80497672180

素因数分解:

$2^2\times 5^1\times {\mathrm{2621}}^1\times {\mathrm{1535629}}^1$

素因数の和:1538259

約数の個数: 24

約数和(自身を含む): 169109718120

約数和(自身を除く): 88612045940

約数列:

[1, 2, 4, 5, 10, 20, 2621, 5242, 10484, 13105, 26210, 52420, 1535629, 3071258, 6142516, 7678145, 15356290, 30712580, 4024883609, 8049767218, 16099534436, 20124418045, 40248836090, 80497672180]

約数ペア:

[(1, 80497672180), (2, 40248836090), (4, 20124418045), (5, 16099534436), (10, 8049767218), (20, 4024883609), (2621, 30712580), (5242, 15356290), (10484, 7678145), (13105, 6142516), (26210, 3071258), (52420, 1535629)]