28515050

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{7219}}^1$

素因数の和:7310

約数の個数: 24

約数和(自身を含む): 53716800

約数和(自身を除く): 25201750

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 7219, 14438, 36095, 72190, 180475, 360950, 570301, 1140602, 2851505, 5703010, 14257525, 28515050]

約数ペア:

[(1, 28515050), (2, 14257525), (5, 5703010), (10, 2851505), (25, 1140602), (50, 570301), (79, 360950), (158, 180475), (395, 72190), (790, 36095), (1975, 14438), (3950, 7219)]