328704080

素因数分解:

$2^4\times 5^1\times {\mathrm{4108801}}^1$

素因数の和:4108814

約数の個数: 20

約数和(自身を含む): 764237172

約数和(自身を除く): 435533092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4108801, 8217602, 16435204, 20544005, 32870408, 41088010, 65740816, 82176020, 164352040, 328704080]

約数ペア:

[(1, 328704080), (2, 164352040), (4, 82176020), (5, 65740816), (8, 41088010), (10, 32870408), (16, 20544005), (20, 16435204), (40, 8217602), (80, 4108801)]