77213420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{35419}}^1$

素因数の和:35537

約数の個数: 24

約数和(自身を含む): 163640400

約数和(自身を除く): 86426980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 35419, 70838, 141676, 177095, 354190, 708380, 3860671, 7721342, 15442684, 19303355, 38606710, 77213420]

約数ペア:

[(1, 77213420), (2, 38606710), (4, 19303355), (5, 15442684), (10, 7721342), (20, 3860671), (109, 708380), (218, 354190), (436, 177095), (545, 141676), (1090, 70838), (2180, 35419)]