17318480

素因数分解:

$2^4\times 5^1\times {\mathrm{216481}}^1$

素因数の和:216494

約数の個数: 20

約数和(自身を含む): 40265652

約数和(自身を除く): 22947172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 216481, 432962, 865924, 1082405, 1731848, 2164810, 3463696, 4329620, 8659240, 17318480]

約数ペア:

[(1, 17318480), (2, 8659240), (4, 4329620), (5, 3463696), (8, 2164810), (10, 1731848), (16, 1082405), (20, 865924), (40, 432962), (80, 216481)]