421824080

素因数分解:

$2^4\times 5^1\times {\mathrm{5272801}}^1$

素因数の和:5272814

約数の個数: 20

約数和(自身を含む): 980741172

約数和(自身を除く): 558917092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5272801, 10545602, 21091204, 26364005, 42182408, 52728010, 84364816, 105456020, 210912040, 421824080]

約数ペア:

[(1, 421824080), (2, 210912040), (4, 105456020), (5, 84364816), (8, 52728010), (10, 42182408), (16, 26364005), (20, 21091204), (40, 10545602), (80, 5272801)]