105440840

素因数分解:

$2^3\times 5^1\times {\mathrm{2636021}}^1$

素因数の和:2636032

約数の個数: 16

約数和(自身を含む): 237241980

約数和(自身を除く): 131801140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2636021, 5272042, 10544084, 13180105, 21088168, 26360210, 52720420, 105440840]

約数ペア:

[(1, 105440840), (2, 52720420), (4, 26360210), (5, 21088168), (8, 13180105), (10, 10544084), (20, 5272042), (40, 2636021)]