40281020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154927}}^1$

素因数の和:154949

約数の個数: 24

約数和(自身を含む): 91097664

約数和(自身を除く): 50816644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 154927, 309854, 619708, 774635, 1549270, 2014051, 3098540, 4028102, 8056204, 10070255, 20140510, 40281020]

約数ペア:

[(1, 40281020), (2, 20140510), (4, 10070255), (5, 8056204), (10, 4028102), (13, 3098540), (20, 2014051), (26, 1549270), (52, 774635), (65, 619708), (130, 309854), (260, 154927)]