4020320

素因数分解:

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

素因数の和:25142

約数の個数: 24

約数和(自身を含む): 9498384

約数和(自身を除く): 5478064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 25127, 50254, 100508, 125635, 201016, 251270, 402032, 502540, 804064, 1005080, 2010160, 4020320]

約数ペア:

[(1, 4020320), (2, 2010160), (4, 1005080), (5, 804064), (8, 502540), (10, 402032), (16, 251270), (20, 201016), (32, 125635), (40, 100508), (80, 50254), (160, 25127)]