12152780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31981}}^1$

素因数の和:32009

約数の個数: 24

約数和(自身を含む): 26864880

約数和(自身を除く): 14712100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 31981, 63962, 127924, 159905, 319810, 607639, 639620, 1215278, 2430556, 3038195, 6076390, 12152780]

約数ペア:

[(1, 12152780), (2, 6076390), (4, 3038195), (5, 2430556), (10, 1215278), (19, 639620), (20, 607639), (38, 319810), (76, 159905), (95, 127924), (190, 63962), (380, 31981)]