127960780

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{23609}}^1$

素因数の和:23889

約数の個数: 24

約数和(自身を含む): 269720640

約数和(自身を除く): 141759860

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 23609, 47218, 94436, 118045, 236090, 472180, 6398039, 12796078, 25592156, 31990195, 63980390, 127960780]

約数ペア:

[(1, 127960780), (2, 63980390), (4, 31990195), (5, 25592156), (10, 12796078), (20, 6398039), (271, 472180), (542, 236090), (1084, 118045), (1355, 94436), (2710, 47218), (5420, 23609)]