105820840

素因数分解:

$2^3\times 5^1\times {\mathrm{2645521}}^1$

素因数の和:2645532

約数の個数: 16

約数和(自身を含む): 238096980

約数和(自身を除く): 132276140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2645521, 5291042, 10582084, 13227605, 21164168, 26455210, 52910420, 105820840]

約数ペア:

[(1, 105820840), (2, 52910420), (4, 26455210), (5, 21164168), (8, 13227605), (10, 10582084), (20, 5291042), (40, 2645521)]