73421560

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2837}}^1$

素因数の和:3495

約数の個数: 32

約数和(自身を含む): 165512160

約数和(自身を除く): 92090600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 2837, 3235, 5176, 5674, 6470, 11348, 12940, 14185, 22696, 25880, 28370, 56740, 113480, 1835539, 3671078, 7342156, 9177695, 14684312, 18355390, 36710780, 73421560]

約数ペア:

[(1, 73421560), (2, 36710780), (4, 18355390), (5, 14684312), (8, 9177695), (10, 7342156), (20, 3671078), (40, 1835539), (647, 113480), (1294, 56740), (2588, 28370), (2837, 25880), (3235, 22696), (5176, 14185), (5674, 12940), (6470, 11348)]