12397780

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3803}}^1$

素因数の和:3975

約数の個数: 24

約数和(自身を含む): 26201952

約数和(自身を除く): 13804172

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 3803, 7606, 15212, 19015, 38030, 76060, 619889, 1239778, 2479556, 3099445, 6198890, 12397780]

約数ペア:

[(1, 12397780), (2, 6198890), (4, 3099445), (5, 2479556), (10, 1239778), (20, 619889), (163, 76060), (326, 38030), (652, 19015), (815, 15212), (1630, 7606), (3260, 3803)]