68821660

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{5669}}^1$

素因数の和:6285

約数の個数: 24

約数和(自身を含む): 144789120

約数和(自身を除く): 75967460

約数列:

[1, 2, 4, 5, 10, 20, 607, 1214, 2428, 3035, 5669, 6070, 11338, 12140, 22676, 28345, 56690, 113380, 3441083, 6882166, 13764332, 17205415, 34410830, 68821660]

約数ペア:

[(1, 68821660), (2, 34410830), (4, 17205415), (5, 13764332), (10, 6882166), (20, 3441083), (607, 113380), (1214, 56690), (2428, 28345), (3035, 22676), (5669, 12140), (6070, 11338)]