8021855

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 9979200

約数和(自身を除く): 1957345

約数列:

[1, 5, 41, 109, 205, 359, 545, 1795, 4469, 14719, 22345, 39131, 73595, 195655, 1604371, 8021855]

約数ペア:

[(1, 8021855), (5, 1604371), (41, 195655), (109, 73595), (205, 39131), (359, 22345), (545, 14719), (1795, 4469)]