39987770

素因数分解:

$2^1\times 5^1\times {\mathrm{617}}^1\times {\mathrm{6481}}^1$

素因数の和:7105

約数の個数: 16

約数和(自身を含む): 72105768

約数和(自身を除く): 32117998

約数列:

[1, 2, 5, 10, 617, 1234, 3085, 6170, 6481, 12962, 32405, 64810, 3998777, 7997554, 19993885, 39987770]

約数ペア:

[(1, 39987770), (2, 19993885), (5, 7997554), (10, 3998777), (617, 64810), (1234, 32405), (3085, 12962), (6170, 6481)]