90103120

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2837}}^1$

素因数の和:3247

約数の個数: 40

約数和(自身を含む): 210091464

約数和(自身を除く): 119988344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 2837, 3176, 3970, 5674, 6352, 7940, 11348, 14185, 15880, 22696, 28370, 31760, 45392, 56740, 113480, 226960, 1126289, 2252578, 4505156, 5631445, 9010312, 11262890, 18020624, 22525780, 45051560, 90103120]

約数ペア:

[(1, 90103120), (2, 45051560), (4, 22525780), (5, 18020624), (8, 11262890), (10, 9010312), (16, 5631445), (20, 4505156), (40, 2252578), (80, 1126289), (397, 226960), (794, 113480), (1588, 56740), (1985, 45392), (2837, 31760), (3176, 28370), (3970, 22696), (5674, 15880), (6352, 14185), (7940, 11348)]