4004200

素因数分解:

$2^3\times 5^2\times {\mathrm{20021}}^1$

素因数の和:20037

約数の個数: 24

約数和(自身を含む): 9310230

約数和(自身を除く): 5306030

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 20021, 40042, 80084, 100105, 160168, 200210, 400420, 500525, 800840, 1001050, 2002100, 4004200]

約数ペア:

[(1, 4004200), (2, 2002100), (4, 1001050), (5, 800840), (8, 500525), (10, 400420), (20, 200210), (25, 160168), (40, 100105), (50, 80084), (100, 40042), (200, 20021)]