72388040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{106453}}^1$

素因数の和:106481

約数の個数: 32

約数和(自身を含む): 172455480

約数和(自身を除く): 100067440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 106453, 212906, 425812, 532265, 851624, 1064530, 1809701, 2129060, 3619402, 4258120, 7238804, 9048505, 14477608, 18097010, 36194020, 72388040]

約数ペア:

[(1, 72388040), (2, 36194020), (4, 18097010), (5, 14477608), (8, 9048505), (10, 7238804), (17, 4258120), (20, 3619402), (34, 2129060), (40, 1809701), (68, 1064530), (85, 851624), (136, 532265), (170, 425812), (340, 212906), (680, 106453)]