82356020

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{9781}}^1$

素因数の和:10211

約数の個数: 24

約数和(自身を含む): 173376168

約数和(自身を除く): 91020148

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 9781, 19562, 39124, 48905, 97810, 195620, 4117801, 8235602, 16471204, 20589005, 41178010, 82356020]

約数ペア:

[(1, 82356020), (2, 41178010), (4, 20589005), (5, 16471204), (10, 8235602), (20, 4117801), (421, 195620), (842, 97810), (1684, 48905), (2105, 39124), (4210, 19562), (8420, 9781)]