16560980

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3299}}^1$

素因数の和:3559

約数の個数: 24

約数和(自身を含む): 34927200

約数和(自身を除く): 18366220

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 3299, 5020, 6598, 13196, 16495, 32990, 65980, 828049, 1656098, 3312196, 4140245, 8280490, 16560980]

約数ペア:

[(1, 16560980), (2, 8280490), (4, 4140245), (5, 3312196), (10, 1656098), (20, 828049), (251, 65980), (502, 32990), (1004, 16495), (1255, 13196), (2510, 6598), (3299, 5020)]