40895440

素因数分解:

$2^4\times 5^1\times {\mathrm{511193}}^1$

素因数の和:511206

約数の個数: 20

約数和(自身を含む): 95082084

約数和(自身を除く): 54186644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 511193, 1022386, 2044772, 2555965, 4089544, 5111930, 8179088, 10223860, 20447720, 40895440]

約数ペア:

[(1, 40895440), (2, 20447720), (4, 10223860), (5, 8179088), (8, 5111930), (10, 4089544), (16, 2555965), (20, 2044772), (40, 1022386), (80, 511193)]