20100320

素因数分解:

$2^5\times 5^1\times {\mathrm{125627}}^1$

素因数の和:125642

約数の個数: 24

約数和(自身を含む): 47487384

約数和(自身を除く): 27387064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 125627, 251254, 502508, 628135, 1005016, 1256270, 2010032, 2512540, 4020064, 5025080, 10050160, 20100320]

約数ペア:

[(1, 20100320), (2, 10050160), (4, 5025080), (5, 4020064), (8, 2512540), (10, 2010032), (16, 1256270), (20, 1005016), (32, 628135), (40, 502508), (80, 251254), (160, 125627)]