164788760

素因数分解:

$2^3\times 5^1\times {\mathrm{4119719}}^1$

素因数の和:4119730

約数の個数: 16

約数和(自身を含む): 370774800

約数和(自身を除く): 205986040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4119719, 8239438, 16478876, 20598595, 32957752, 41197190, 82394380, 164788760]

約数ペア:

[(1, 164788760), (2, 82394380), (4, 41197190), (5, 32957752), (8, 20598595), (10, 16478876), (20, 8239438), (40, 4119719)]