20101600

素因数分解:

$2^5\times 5^2\times {\mathrm{25127}}^1$

素因数の和:25147

約数の個数: 36

約数和(自身を含む): 49074984

約数和(自身を除く): 28973384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25127, 50254, 100508, 125635, 201016, 251270, 402032, 502540, 628175, 804064, 1005080, 1256350, 2010160, 2512700, 4020320, 5025400, 10050800, 20101600]

約数ペア:

[(1, 20101600), (2, 10050800), (4, 5025400), (5, 4020320), (8, 2512700), (10, 2010160), (16, 1256350), (20, 1005080), (25, 804064), (32, 628175), (40, 502540), (50, 402032), (80, 251270), (100, 201016), (160, 125635), (200, 100508), (400, 50254), (800, 25127)]