72088360

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1987}}^1$

素因数の和:2905

約数の個数: 32

約数和(自身を含む): 162459360

約数和(自身を除く): 90371000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 1987, 3628, 3974, 4535, 7256, 7948, 9070, 9935, 15896, 18140, 19870, 36280, 39740, 79480, 1802209, 3604418, 7208836, 9011045, 14417672, 18022090, 36044180, 72088360]

約数ペア:

[(1, 72088360), (2, 36044180), (4, 18022090), (5, 14417672), (8, 9011045), (10, 7208836), (20, 3604418), (40, 1802209), (907, 79480), (1814, 39740), (1987, 36280), (3628, 19870), (3974, 18140), (4535, 15896), (7256, 9935), (7948, 9070)]