72865480

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{3803}}^1$

素因数の和:4293

約数の個数: 32

約数和(自身を含む): 164332800

約数和(自身を除く): 91467320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3803, 3832, 4790, 7606, 9580, 15212, 19015, 19160, 30424, 38030, 76060, 152120, 1821637, 3643274, 7286548, 9108185, 14573096, 18216370, 36432740, 72865480]

約数ペア:

[(1, 72865480), (2, 36432740), (4, 18216370), (5, 14573096), (8, 9108185), (10, 7286548), (20, 3643274), (40, 1821637), (479, 152120), (958, 76060), (1916, 38030), (2395, 30424), (3803, 19160), (3832, 19015), (4790, 15212), (7606, 9580)]