121328540

素因数分解:

$2^2\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{5431}}^1$

素因数の和:6557

約数の個数: 24

約数和(自身を含む): 255064992

約数和(自身を除く): 133736452

約数列:

[1, 2, 4, 5, 10, 20, 1117, 2234, 4468, 5431, 5585, 10862, 11170, 21724, 22340, 27155, 54310, 108620, 6066427, 12132854, 24265708, 30332135, 60664270, 121328540]

約数ペア:

[(1, 121328540), (2, 60664270), (4, 30332135), (5, 24265708), (10, 12132854), (20, 6066427), (1117, 108620), (2234, 54310), (4468, 27155), (5431, 22340), (5585, 21724), (10862, 11170)]