71315960

素因数分解:

$2^3\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{1549}}^1$

素因数の和:2711

約数の個数: 32

約数和(自身を含む): 160704000

約数和(自身を除く): 89388040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1151, 1549, 2302, 3098, 4604, 5755, 6196, 7745, 9208, 11510, 12392, 15490, 23020, 30980, 46040, 61960, 1782899, 3565798, 7131596, 8914495, 14263192, 17828990, 35657980, 71315960]

約数ペア:

[(1, 71315960), (2, 35657980), (4, 17828990), (5, 14263192), (8, 8914495), (10, 7131596), (20, 3565798), (40, 1782899), (1151, 61960), (1549, 46040), (2302, 30980), (3098, 23020), (4604, 15490), (5755, 12392), (6196, 11510), (7745, 9208)]