40642760

素因数分解:

$2^3\times 5^1\times {\mathrm{1016069}}^1$

素因数の和:1016080

約数の個数: 16

約数和(自身を含む): 91446300

約数和(自身を除く): 50803540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1016069, 2032138, 4064276, 5080345, 8128552, 10160690, 20321380, 40642760]

約数ペア:

[(1, 40642760), (2, 20321380), (4, 10160690), (5, 8128552), (8, 5080345), (10, 4064276), (20, 2032138), (40, 1016069)]