81027740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139703}}^1$

素因数の和:139741

約数の個数: 24

約数和(自身を含む): 176027040

約数和(自身を除く): 94999300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 139703, 279406, 558812, 698515, 1397030, 2794060, 4051387, 8102774, 16205548, 20256935, 40513870, 81027740]

約数ペア:

[(1, 81027740), (2, 40513870), (4, 20256935), (5, 16205548), (10, 8102774), (20, 4051387), (29, 2794060), (58, 1397030), (116, 698515), (145, 558812), (290, 279406), (580, 139703)]