69131960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{40193}}^1$

素因数の和:40247

約数の個数: 32

約数和(自身を含む): 159168240

約数和(自身を除く): 90036280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 40193, 80386, 160772, 200965, 321544, 401930, 803860, 1607720, 1728299, 3456598, 6913196, 8641495, 13826392, 17282990, 34565980, 69131960]

約数ペア:

[(1, 69131960), (2, 34565980), (4, 17282990), (5, 13826392), (8, 8641495), (10, 6913196), (20, 3456598), (40, 1728299), (43, 1607720), (86, 803860), (172, 401930), (215, 321544), (344, 200965), (430, 160772), (860, 80386), (1720, 40193)]