2051228440

素因数分解:

$2^3\times 5^1\times {\mathrm{51280711}}^1$

素因数の和:51280722

約数の個数: 16

約数和(自身を含む): 4615264080

約数和(自身を除く): 2564035640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 51280711, 102561422, 205122844, 256403555, 410245688, 512807110, 1025614220, 2051228440]

約数ペア:

[(1, 2051228440), (2, 1025614220), (4, 512807110), (5, 410245688), (8, 256403555), (10, 205122844), (20, 102561422), (40, 51280711)]