40654760

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2087}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 91704960

約数和(自身を除く): 51050200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2087, 2435, 3896, 4174, 4870, 8348, 9740, 10435, 16696, 19480, 20870, 41740, 83480, 1016369, 2032738, 4065476, 5081845, 8130952, 10163690, 20327380, 40654760]

約数ペア:

[(1, 40654760), (2, 20327380), (4, 10163690), (5, 8130952), (8, 5081845), (10, 4065476), (20, 2032738), (40, 1016369), (487, 83480), (974, 41740), (1948, 20870), (2087, 19480), (2435, 16696), (3896, 10435), (4174, 9740), (4870, 8348)]