40286870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{309899}}^1$

素因数の和:309919

約数の個数: 16

約数和(自身を含む): 78094800

約数和(自身を除く): 37807930

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 309899, 619798, 1549495, 3098990, 4028687, 8057374, 20143435, 40286870]

約数ペア:

[(1, 40286870), (2, 20143435), (5, 8057374), (10, 4028687), (13, 3098990), (26, 1549495), (65, 619798), (130, 309899)]