71885780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{123941}}^1$

素因数の和:123979

約数の個数: 24

約数和(自身を含む): 156166920

約数和(自身を除く): 84281140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 123941, 247882, 495764, 619705, 1239410, 2478820, 3594289, 7188578, 14377156, 17971445, 35942890, 71885780]

約数ペア:

[(1, 71885780), (2, 35942890), (4, 17971445), (5, 14377156), (10, 7188578), (20, 3594289), (29, 2478820), (58, 1239410), (116, 619705), (145, 495764), (290, 247882), (580, 123941)]