28895000

素因数分解:

$2^3\times 5^4\times {\mathrm{5779}}^1$

素因数の和:5805

約数の個数: 40

約数和(自身を含む): 67712700

約数和(自身を除く): 38817700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 5779, 11558, 23116, 28895, 46232, 57790, 115580, 144475, 231160, 288950, 577900, 722375, 1155800, 1444750, 2889500, 3611875, 5779000, 7223750, 14447500, 28895000]

約数ペア:

[(1, 28895000), (2, 14447500), (4, 7223750), (5, 5779000), (8, 3611875), (10, 2889500), (20, 1444750), (25, 1155800), (40, 722375), (50, 577900), (100, 288950), (125, 231160), (200, 144475), (250, 115580), (500, 57790), (625, 46232), (1000, 28895), (1250, 23116), (2500, 11558), (5000, 5779)]