28265000

素因数分解:

$2^3\times 5^4\times {\mathrm{5653}}^1$

素因数の和:5679

約数の個数: 40

約数和(自身を含む): 66236610

約数和(自身を除く): 37971610

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 5653, 11306, 22612, 28265, 45224, 56530, 113060, 141325, 226120, 282650, 565300, 706625, 1130600, 1413250, 2826500, 3533125, 5653000, 7066250, 14132500, 28265000]

約数ペア:

[(1, 28265000), (2, 14132500), (4, 7066250), (5, 5653000), (8, 3533125), (10, 2826500), (20, 1413250), (25, 1130600), (40, 706625), (50, 565300), (100, 282650), (125, 226120), (200, 141325), (250, 113060), (500, 56530), (625, 45224), (1000, 28265), (1250, 22612), (2500, 11306), (5000, 5653)]