67770140

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{7649}}^1$

素因数の和:8101

約数の個数: 24

約数和(自身を含む): 142657200

約数和(自身を除く): 74887060

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 7649, 8860, 15298, 30596, 38245, 76490, 152980, 3388507, 6777014, 13554028, 16942535, 33885070, 67770140]

約数ペア:

[(1, 67770140), (2, 33885070), (4, 16942535), (5, 13554028), (10, 6777014), (20, 3388507), (443, 152980), (886, 76490), (1772, 38245), (2215, 30596), (4430, 15298), (7649, 8860)]