201916840

素因数分解:

$2^3\times 5^1\times {\mathrm{5047921}}^1$

素因数の和:5047932

約数の個数: 16

約数和(自身を含む): 454312980

約数和(自身を除く): 252396140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5047921, 10095842, 20191684, 25239605, 40383368, 50479210, 100958420, 201916840]

約数ペア:

[(1, 201916840), (2, 100958420), (4, 50479210), (5, 40383368), (8, 25239605), (10, 20191684), (20, 10095842), (40, 5047921)]