2051239160

素因数分解:

$2^3\times 5^1\times {\mathrm{51280979}}^1$

素因数の和:51280990

約数の個数: 16

約数和(自身を含む): 4615288200

約数和(自身を除く): 2564049040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 51280979, 102561958, 205123916, 256404895, 410247832, 512809790, 1025619580, 2051239160]

約数ペア:

[(1, 2051239160), (2, 1025619580), (4, 512809790), (5, 410247832), (8, 256404895), (10, 205123916), (20, 102561958), (40, 51280979)]