130020680

素因数分解:

$2^3\times 5^1\times {\mathrm{3250517}}^1$

素因数の和:3250528

約数の個数: 16

約数和(自身を含む): 292546620

約数和(自身を除く): 162525940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3250517, 6501034, 13002068, 16252585, 26004136, 32505170, 65010340, 130020680]

約数ペア:

[(1, 130020680), (2, 65010340), (4, 32505170), (5, 26004136), (8, 16252585), (10, 13002068), (20, 6501034), (40, 3250517)]