40345540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{54521}}^1$

素因数の和:54567

約数の個数: 24

約数和(自身を含む): 87017112

約数和(自身を除く): 46671572

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 54521, 109042, 218084, 272605, 545210, 1090420, 2017277, 4034554, 8069108, 10086385, 20172770, 40345540]

約数ペア:

[(1, 40345540), (2, 20172770), (4, 10086385), (5, 8069108), (10, 4034554), (20, 2017277), (37, 1090420), (74, 545210), (148, 272605), (185, 218084), (370, 109042), (740, 54521)]