28281020

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{3853}}^1$

素因数の和:4229

約数の個数: 24

約数和(自身を含む): 59567424

約数和(自身を除く): 31286404

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 3853, 7340, 7706, 15412, 19265, 38530, 77060, 1414051, 2828102, 5656204, 7070255, 14140510, 28281020]

約数ペア:

[(1, 28281020), (2, 14140510), (4, 7070255), (5, 5656204), (10, 2828102), (20, 1414051), (367, 77060), (734, 38530), (1468, 19265), (1835, 15412), (3670, 7706), (3853, 7340)]