1580420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4159}}^1$

素因数の和:4187

約数の個数: 24

約数和(自身を含む): 3494400

約数和(自身を除く): 1913980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4159, 8318, 16636, 20795, 41590, 79021, 83180, 158042, 316084, 395105, 790210, 1580420]

約数ペア:

[(1, 1580420), (2, 790210), (4, 395105), (5, 316084), (10, 158042), (19, 83180), (20, 79021), (38, 41590), (76, 20795), (95, 16636), (190, 8318), (380, 4159)]