40464940

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{2281}}^1$

素因数の和:3177

約数の個数: 24

約数和(自身を含む): 85109472

約数和(自身を除く): 44644532

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 2281, 3548, 4435, 4562, 8870, 9124, 11405, 17740, 22810, 45620, 2023247, 4046494, 8092988, 10116235, 20232470, 40464940]

約数ペア:

[(1, 40464940), (2, 20232470), (4, 10116235), (5, 8092988), (10, 4046494), (20, 2023247), (887, 45620), (1774, 22810), (2281, 17740), (3548, 11405), (4435, 9124), (4562, 8870)]