51857804920

素因数分解:

$2^3\times 5^1\times {\mathrm{1296445123}}^1$

素因数の和:1296445134

約数の個数: 16

約数和(自身を含む): 116680061160

約数和(自身を除く): 64822256240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1296445123, 2592890246, 5185780492, 6482225615, 10371560984, 12964451230, 25928902460, 51857804920]

約数ペア:

[(1, 51857804920), (2, 25928902460), (4, 12964451230), (5, 10371560984), (8, 6482225615), (10, 5185780492), (20, 2592890246), (40, 1296445123)]