40542760

素因数分解:

$2^3\times 5^1\times {\mathrm{1013569}}^1$

素因数の和:1013580

約数の個数: 16

約数和(自身を含む): 91221300

約数和(自身を除く): 50678540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013569, 2027138, 4054276, 5067845, 8108552, 10135690, 20271380, 40542760]

約数ペア:

[(1, 40542760), (2, 20271380), (4, 10135690), (5, 8108552), (8, 5067845), (10, 4054276), (20, 2027138), (40, 1013569)]