907520

素因数分解:

$2^8\times 5^1\times {\mathrm{709}}^1$

素因数の和:730

約数の個数: 36

約数和(自身を含む): 2176860

約数和(自身を除く): 1269340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 709, 1280, 1418, 2836, 3545, 5672, 7090, 11344, 14180, 22688, 28360, 45376, 56720, 90752, 113440, 181504, 226880, 453760, 907520]

約数ペア:

[(1, 907520), (2, 453760), (4, 226880), (5, 181504), (8, 113440), (10, 90752), (16, 56720), (20, 45376), (32, 28360), (40, 22688), (64, 14180), (80, 11344), (128, 7090), (160, 5672), (256, 3545), (320, 2836), (640, 1418), (709, 1280)]