2480451920

素因数分解:

$2^4\times 5^1\times {\mathrm{31005649}}^1$

素因数の和:31005662

約数の個数: 20

約数和(自身を含む): 5767050900

約数和(自身を除く): 3286598980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31005649, 62011298, 124022596, 155028245, 248045192, 310056490, 496090384, 620112980, 1240225960, 2480451920]

約数ペア:

[(1, 2480451920), (2, 1240225960), (4, 620112980), (5, 496090384), (8, 310056490), (10, 248045192), (16, 155028245), (20, 124022596), (40, 62011298), (80, 31005649)]