220171960

素因数分解:

$2^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{9377}}^1$

素因数の和:9975

約数の個数: 32

約数和(自身を含む): 496283760

約数和(自身を除く): 276111800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 587, 1174, 2348, 2935, 4696, 5870, 9377, 11740, 18754, 23480, 37508, 46885, 75016, 93770, 187540, 375080, 5504299, 11008598, 22017196, 27521495, 44034392, 55042990, 110085980, 220171960]

約数ペア:

[(1, 220171960), (2, 110085980), (4, 55042990), (5, 44034392), (8, 27521495), (10, 22017196), (20, 11008598), (40, 5504299), (587, 375080), (1174, 187540), (2348, 93770), (2935, 75016), (4696, 46885), (5870, 37508), (9377, 23480), (11740, 18754)]