6530000

素因数分解:

$2^4\times 5^4\times {\mathrm{653}}^1$

素因数の和:681

約数の個数: 50

約数和(自身を含む): 15833994

約数和(自身を除く): 9303994

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 653, 1000, 1250, 1306, 2000, 2500, 2612, 3265, 5000, 5224, 6530, 10000, 10448, 13060, 16325, 26120, 32650, 52240, 65300, 81625, 130600, 163250, 261200, 326500, 408125, 653000, 816250, 1306000, 1632500, 3265000, 6530000]

約数ペア:

[(1, 6530000), (2, 3265000), (4, 1632500), (5, 1306000), (8, 816250), (10, 653000), (16, 408125), (20, 326500), (25, 261200), (40, 163250), (50, 130600), (80, 81625), (100, 65300), (125, 52240), (200, 32650), (250, 26120), (400, 16325), (500, 13060), (625, 10448), (653, 10000), (1000, 6530), (1250, 5224), (1306, 5000), (2000, 3265), (2500, 2612)]