210912040

素因数分解:

$2^3\times 5^1\times {\mathrm{5272801}}^1$

素因数の和:5272812

約数の個数: 16

約数和(自身を含む): 474552180

約数和(自身を除く): 263640140

約数列:

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

約数ペア:

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