64053520

素因数分解:

$2^4\times 5^1\times {\mathrm{800669}}^1$

素因数の和:800682

約数の個数: 20

約数和(自身を含む): 148924620

約数和(自身を除く): 84871100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 800669, 1601338, 3202676, 4003345, 6405352, 8006690, 12810704, 16013380, 32026760, 64053520]

約数ペア:

[(1, 64053520), (2, 32026760), (4, 16013380), (5, 12810704), (8, 8006690), (10, 6405352), (16, 4003345), (20, 3202676), (40, 1601338), (80, 800669)]