422556020

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{16519}}^1$

素因数の和:17807

約数の個数: 24

約数和(自身を含む): 888115200

約数和(自身を除く): 465559180

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 5116, 6395, 12790, 16519, 25580, 33038, 66076, 82595, 165190, 330380, 21127801, 42255602, 84511204, 105639005, 211278010, 422556020]

約数ペア:

[(1, 422556020), (2, 211278010), (4, 105639005), (5, 84511204), (10, 42255602), (20, 21127801), (1279, 330380), (2558, 165190), (5116, 82595), (6395, 66076), (12790, 33038), (16519, 25580)]