66380560

素因数分解:

$2^4\times 5^1\times {\mathrm{829757}}^1$

素因数の和:829770

約数の個数: 20

約数和(自身を含む): 154334988

約数和(自身を除く): 87954428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829757, 1659514, 3319028, 4148785, 6638056, 8297570, 13276112, 16595140, 33190280, 66380560]

約数ペア:

[(1, 66380560), (2, 33190280), (4, 16595140), (5, 13276112), (8, 8297570), (10, 6638056), (16, 4148785), (20, 3319028), (40, 1659514), (80, 829757)]