105440240

素因数分解:

$2^4\times 5^1\times {\mathrm{1318003}}^1$

素因数の和:1318016

約数の個数: 20

約数和(自身を含む): 245148744

約数和(自身を除く): 139708504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1318003, 2636006, 5272012, 6590015, 10544024, 13180030, 21088048, 26360060, 52720120, 105440240]

約数ペア:

[(1, 105440240), (2, 52720120), (4, 26360060), (5, 21088048), (8, 13180030), (10, 10544024), (16, 6590015), (20, 5272012), (40, 2636006), (80, 1318003)]