204218320

素因数分解:

$2^4\times 5^1\times {\mathrm{2552729}}^1$

素因数の和:2552742

約数の個数: 20

約数和(自身を含む): 474807780

約数和(自身を除く): 270589460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2552729, 5105458, 10210916, 12763645, 20421832, 25527290, 40843664, 51054580, 102109160, 204218320]

約数ペア:

[(1, 204218320), (2, 102109160), (4, 51054580), (5, 40843664), (8, 25527290), (10, 20421832), (16, 12763645), (20, 10210916), (40, 5105458), (80, 2552729)]