29812760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17333}}^1$

素因数の和:17387

約数の個数: 32

約数和(自身を含む): 68642640

約数和(自身を除く): 38829880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 17333, 34666, 69332, 86665, 138664, 173330, 346660, 693320, 745319, 1490638, 2981276, 3726595, 5962552, 7453190, 14906380, 29812760]

約数ペア:

[(1, 29812760), (2, 14906380), (4, 7453190), (5, 5962552), (8, 3726595), (10, 2981276), (20, 1490638), (40, 745319), (43, 693320), (86, 346660), (172, 173330), (215, 138664), (344, 86665), (430, 69332), (860, 34666), (1720, 17333)]