40282580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154933}}^1$

素因数の和:154955

約数の個数: 24

約数和(自身を含む): 91101192

約数和(自身を除く): 50818612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 154933, 309866, 619732, 774665, 1549330, 2014129, 3098660, 4028258, 8056516, 10070645, 20141290, 40282580]

約数ペア:

[(1, 40282580), (2, 20141290), (4, 10070645), (5, 8056516), (10, 4028258), (13, 3098660), (20, 2014129), (26, 1549330), (52, 774665), (65, 619732), (130, 309866), (260, 154933)]