40405208

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1609}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 78632400

約数和(自身を除く): 38227192

約数列:

[1, 2, 4, 8, 43, 73, 86, 146, 172, 292, 344, 584, 1609, 3139, 3218, 6278, 6436, 12556, 12872, 25112, 69187, 117457, 138374, 234914, 276748, 469828, 553496, 939656, 5050651, 10101302, 20202604, 40405208]

約数ペア:

[(1, 40405208), (2, 20202604), (4, 10101302), (8, 5050651), (43, 939656), (73, 553496), (86, 469828), (146, 276748), (172, 234914), (292, 138374), (344, 117457), (584, 69187), (1609, 25112), (3139, 12872), (3218, 12556), (6278, 6436)]