40571890

素因数分解:

$2^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{4021}}^1$

素因数の和:5037

約数の個数: 16

約数和(自身を含む): 73119960

約数和(自身を除く): 32548070

約数列:

[1, 2, 5, 10, 1009, 2018, 4021, 5045, 8042, 10090, 20105, 40210, 4057189, 8114378, 20285945, 40571890]

約数ペア:

[(1, 40571890), (2, 20285945), (5, 8114378), (10, 4057189), (1009, 40210), (2018, 20105), (4021, 10090), (5045, 8042)]