40682540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65617}}^1$

素因数の和:65657

約数の個数: 24

約数和(自身を含む): 88190592

約数和(自身を除く): 47508052

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 65617, 131234, 262468, 328085, 656170, 1312340, 2034127, 4068254, 8136508, 10170635, 20341270, 40682540]

約数ペア:

[(1, 40682540), (2, 20341270), (4, 10170635), (5, 8136508), (10, 4068254), (20, 2034127), (31, 1312340), (62, 656170), (124, 328085), (155, 262468), (310, 131234), (620, 65617)]