40394060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{288529}}^1$

素因数の和:288545

約数の個数: 24

約数和(自身を含む): 96946080

約数和(自身を除く): 56552020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 288529, 577058, 1154116, 1442645, 2019703, 2885290, 4039406, 5770580, 8078812, 10098515, 20197030, 40394060]

約数ペア:

[(1, 40394060), (2, 20197030), (4, 10098515), (5, 8078812), (7, 5770580), (10, 4039406), (14, 2885290), (20, 2019703), (28, 1442645), (35, 1154116), (70, 577058), (140, 288529)]