89720140

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{9689}}^1$

素因数の和:10161

約数の個数: 24

約数和(自身を含む): 188838720

約数和(自身を除く): 99118580

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2315, 4630, 9260, 9689, 19378, 38756, 48445, 96890, 193780, 4486007, 8972014, 17944028, 22430035, 44860070, 89720140]

約数ペア:

[(1, 89720140), (2, 44860070), (4, 22430035), (5, 17944028), (10, 8972014), (20, 4486007), (463, 193780), (926, 96890), (1852, 48445), (2315, 38756), (4630, 19378), (9260, 9689)]