68511860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{110503}}^1$

素因数の和:110543

約数の個数: 24

約数和(自身を含む): 148517376

約数和(自身を除く): 80005516

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 110503, 221006, 442012, 552515, 1105030, 2210060, 3425593, 6851186, 13702372, 17127965, 34255930, 68511860]

約数ペア:

[(1, 68511860), (2, 34255930), (4, 17127965), (5, 13702372), (10, 6851186), (20, 3425593), (31, 2210060), (62, 1105030), (124, 552515), (155, 442012), (310, 221006), (620, 110503)]