204550520

素因数分解:

$2^3\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{3877}}^1$

素因数の和:5207

約数の個数: 32

約数和(自身を含む): 460706400

約数和(自身を除く): 256155880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1319, 2638, 3877, 5276, 6595, 7754, 10552, 13190, 15508, 19385, 26380, 31016, 38770, 52760, 77540, 155080, 5113763, 10227526, 20455052, 25568815, 40910104, 51137630, 102275260, 204550520]

約数ペア:

[(1, 204550520), (2, 102275260), (4, 51137630), (5, 40910104), (8, 25568815), (10, 20455052), (20, 10227526), (40, 5113763), (1319, 155080), (2638, 77540), (3877, 52760), (5276, 38770), (6595, 31016), (7754, 26380), (10552, 19385), (13190, 15508)]