40040680

素因数分解:

$2^3\times 5^1\times {\mathrm{1001017}}^1$

素因数の和:1001028

約数の個数: 16

約数和(自身を含む): 90091620

約数和(自身を除く): 50050940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1001017, 2002034, 4004068, 5005085, 8008136, 10010170, 20020340, 40040680]

約数ペア:

[(1, 40040680), (2, 20020340), (4, 10010170), (5, 8008136), (8, 5005085), (10, 4004068), (20, 2002034), (40, 1001017)]