520629680

素因数分解:

$2^4\times 5^1\times {\mathrm{6507871}}^1$

素因数の和:6507884

約数の個数: 20

約数和(自身を含む): 1210464192

約数和(自身を除く): 689834512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6507871, 13015742, 26031484, 32539355, 52062968, 65078710, 104125936, 130157420, 260314840, 520629680]

約数ペア:

[(1, 520629680), (2, 260314840), (4, 130157420), (5, 104125936), (8, 65078710), (10, 52062968), (16, 32539355), (20, 26031484), (40, 13015742), (80, 6507871)]