71996240

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6569}}^1$

素因数の和:6719

約数の個数: 40

約数和(自身を含む): 168638760

約数和(自身を除く): 96642520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 6569, 10960, 13138, 26276, 32845, 52552, 65690, 105104, 131380, 262760, 525520, 899953, 1799906, 3599812, 4499765, 7199624, 8999530, 14399248, 17999060, 35998120, 71996240]

約数ペア:

[(1, 71996240), (2, 35998120), (4, 17999060), (5, 14399248), (8, 8999530), (10, 7199624), (16, 4499765), (20, 3599812), (40, 1799906), (80, 899953), (137, 525520), (274, 262760), (548, 131380), (685, 105104), (1096, 65690), (1370, 52552), (2192, 32845), (2740, 26276), (5480, 13138), (6569, 10960)]