328272080

素因数分解:

$2^4\times 5^1\times {\mathrm{4103401}}^1$

素因数の和:4103414

約数の個数: 20

約数和(自身を含む): 763232772

約数和(自身を除く): 434960692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4103401, 8206802, 16413604, 20517005, 32827208, 41034010, 65654416, 82068020, 164136040, 328272080]

約数ペア:

[(1, 328272080), (2, 164136040), (4, 82068020), (5, 65654416), (8, 41034010), (10, 32827208), (16, 20517005), (20, 16413604), (40, 8206802), (80, 4103401)]