39420860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67967}}^1$

素因数の和:68005

約数の個数: 24

約数和(自身を含む): 85639680

約数和(自身を除く): 46218820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 67967, 135934, 271868, 339835, 679670, 1359340, 1971043, 3942086, 7884172, 9855215, 19710430, 39420860]

約数ペア:

[(1, 39420860), (2, 19710430), (4, 9855215), (5, 7884172), (10, 3942086), (20, 1971043), (29, 1359340), (58, 679670), (116, 339835), (145, 271868), (290, 135934), (580, 67967)]