72051520

素因数分解:

$2^6\times 5^1\times {\mathrm{225161}}^1$

素因数の和:225178

約数の個数: 28

約数和(自身を含む): 171573444

約数和(自身を除く): 99521924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 225161, 450322, 900644, 1125805, 1801288, 2251610, 3602576, 4503220, 7205152, 9006440, 14410304, 18012880, 36025760, 72051520]

約数ペア:

[(1, 72051520), (2, 36025760), (4, 18012880), (5, 14410304), (8, 9006440), (10, 7205152), (16, 4503220), (20, 3602576), (32, 2251610), (40, 1801288), (64, 1125805), (80, 900644), (160, 450322), (320, 225161)]