16320560

素因数分解:

$2^4\times 5^1\times {\mathrm{204007}}^1$

素因数の和:204020

約数の個数: 20

約数和(自身を含む): 37945488

約数和(自身を除く): 21624928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 204007, 408014, 816028, 1020035, 1632056, 2040070, 3264112, 4080140, 8160280, 16320560]

約数ペア:

[(1, 16320560), (2, 8160280), (4, 4080140), (5, 3264112), (8, 2040070), (10, 1632056), (16, 1020035), (20, 816028), (40, 408014), (80, 204007)]