105890000

素因数分解:

$2^4\times 5^4\times {\mathrm{10589}}^1$

素因数の和:10617

約数の個数: 50

約数和(自身を含む): 256394490

約数和(自身を除く): 150504490

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 10589, 21178, 42356, 52945, 84712, 105890, 169424, 211780, 264725, 423560, 529450, 847120, 1058900, 1323625, 2117800, 2647250, 4235600, 5294500, 6618125, 10589000, 13236250, 21178000, 26472500, 52945000, 105890000]

約数ペア:

[(1, 105890000), (2, 52945000), (4, 26472500), (5, 21178000), (8, 13236250), (10, 10589000), (16, 6618125), (20, 5294500), (25, 4235600), (40, 2647250), (50, 2117800), (80, 1323625), (100, 1058900), (125, 847120), (200, 529450), (250, 423560), (400, 264725), (500, 211780), (625, 169424), (1000, 105890), (1250, 84712), (2000, 52945), (2500, 42356), (5000, 21178), (10000, 10589)]