26408020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30707}}^1$

素因数の和:30759

約数の個数: 24

約数和(自身を含む): 56748384

約数和(自身を除く): 30340364

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 30707, 61414, 122828, 153535, 307070, 614140, 1320401, 2640802, 5281604, 6602005, 13204010, 26408020]

約数ペア:

[(1, 26408020), (2, 13204010), (4, 6602005), (5, 5281604), (10, 2640802), (20, 1320401), (43, 614140), (86, 307070), (172, 153535), (215, 122828), (430, 61414), (860, 30707)]