81809950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 162779760

約数和(自身を除く): 80969810

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 109, 170, 218, 425, 545, 850, 883, 1090, 1766, 1853, 2725, 3706, 4415, 5450, 8830, 9265, 15011, 18530, 22075, 30022, 44150, 46325, 75055, 92650, 96247, 150110, 192494, 375275, 481235, 750550, 962470, 1636199, 2406175, 3272398, 4812350, 8180995, 16361990, 40904975, 81809950]

約数ペア:

[(1, 81809950), (2, 40904975), (5, 16361990), (10, 8180995), (17, 4812350), (25, 3272398), (34, 2406175), (50, 1636199), (85, 962470), (109, 750550), (170, 481235), (218, 375275), (425, 192494), (545, 150110), (850, 96247), (883, 92650), (1090, 75055), (1766, 46325), (1853, 44150), (2725, 30022), (3706, 22075), (4415, 18530), (5450, 15011), (8830, 9265)]