850120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 1953720

約数和(自身を除く): 1103600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 401, 424, 530, 802, 1060, 1604, 2005, 2120, 3208, 4010, 8020, 16040, 21253, 42506, 85012, 106265, 170024, 212530, 425060, 850120]

約数ペア:

[(1, 850120), (2, 425060), (4, 212530), (5, 170024), (8, 106265), (10, 85012), (20, 42506), (40, 21253), (53, 16040), (106, 8020), (212, 4010), (265, 3208), (401, 2120), (424, 2005), (530, 1604), (802, 1060)]