91252760

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3559}}^1$

素因数の和:4211

約数の個数: 32

約数和(自身を含む): 205696800

約数和(自身を除く): 114444040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 3559, 5128, 6410, 7118, 12820, 14236, 17795, 25640, 28472, 35590, 71180, 142360, 2281319, 4562638, 9125276, 11406595, 18250552, 22813190, 45626380, 91252760]

約数ペア:

[(1, 91252760), (2, 45626380), (4, 22813190), (5, 18250552), (8, 11406595), (10, 9125276), (20, 4562638), (40, 2281319), (641, 142360), (1282, 71180), (2564, 35590), (3205, 28472), (3559, 25640), (5128, 17795), (6410, 14236), (7118, 12820)]