25303700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3203}}^1$

素因数の和:3296

約数の個数: 36

約数和(自身を含む): 55621440

約数和(自身を除く): 30317740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3203, 3950, 6406, 7900, 12812, 16015, 32030, 64060, 80075, 160150, 253037, 320300, 506074, 1012148, 1265185, 2530370, 5060740, 6325925, 12651850, 25303700]

約数ペア:

[(1, 25303700), (2, 12651850), (4, 6325925), (5, 5060740), (10, 2530370), (20, 1265185), (25, 1012148), (50, 506074), (79, 320300), (100, 253037), (158, 160150), (316, 80075), (395, 64060), (790, 32030), (1580, 16015), (1975, 12812), (3203, 7900), (3950, 6406)]