68139860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109903}}^1$

素因数の和:109943

約数の個数: 24

約数和(自身を含む): 147710976

約数和(自身を除く): 79571116

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 109903, 219806, 439612, 549515, 1099030, 2198060, 3406993, 6813986, 13627972, 17034965, 34069930, 68139860]

約数ペア:

[(1, 68139860), (2, 34069930), (4, 17034965), (5, 13627972), (10, 6813986), (20, 3406993), (31, 2198060), (62, 1099030), (124, 549515), (155, 439612), (310, 219806), (620, 109903)]