61664080

素因数分解:

$2^4\times 5^1\times {\mathrm{770801}}^1$

素因数の和:770814

約数の個数: 20

約数和(自身を含む): 143369172

約数和(自身を除く): 81705092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 770801, 1541602, 3083204, 3854005, 6166408, 7708010, 12332816, 15416020, 30832040, 61664080]

約数ペア:

[(1, 61664080), (2, 30832040), (4, 15416020), (5, 12332816), (8, 7708010), (10, 6166408), (16, 3854005), (20, 3083204), (40, 1541602), (80, 770801)]