40865890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{24181}}^1$

素因数の和:24214

約数の個数: 24

約数和(自身を含む): 79655508

約数和(自身を除く): 38789618

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 24181, 48362, 120905, 241810, 314353, 628706, 1571765, 3143530, 4086589, 8173178, 20432945, 40865890]

約数ペア:

[(1, 40865890), (2, 20432945), (5, 8173178), (10, 4086589), (13, 3143530), (26, 1571765), (65, 628706), (130, 314353), (169, 241810), (338, 120905), (845, 48362), (1690, 24181)]