8040640

素因数分解:

$2^6\times 5^1\times {\mathrm{25127}}^1$

素因数の和:25144

約数の個数: 28

約数和(自身を含む): 19147536

約数和(自身を除く): 11106896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 25127, 50254, 100508, 125635, 201016, 251270, 402032, 502540, 804064, 1005080, 1608128, 2010160, 4020320, 8040640]

約数ペア:

[(1, 8040640), (2, 4020320), (4, 2010160), (5, 1608128), (8, 1005080), (10, 804064), (16, 502540), (20, 402032), (32, 251270), (40, 201016), (64, 125635), (80, 100508), (160, 50254), (320, 25127)]