40807840

素因数分解:

$2^5\times 5^1\times {\mathrm{255049}}^1$

素因数の和:255064

約数の個数: 24

約数和(自身を含む): 96408900

約数和(自身を除く): 55601060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 255049, 510098, 1020196, 1275245, 2040392, 2550490, 4080784, 5100980, 8161568, 10201960, 20403920, 40807840]

約数ペア:

[(1, 40807840), (2, 20403920), (4, 10201960), (5, 8161568), (8, 5100980), (10, 4080784), (16, 2550490), (20, 2040392), (32, 1275245), (40, 1020196), (80, 510098), (160, 255049)]