1891208080

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{323837}}^1$

素因数の和:323923

約数の個数: 40

約数和(自身を含む): 4457306232

約数和(自身を除く): 2566098152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 323837, 647674, 1295348, 1619185, 2590696, 3238370, 5181392, 6476740, 12953480, 23640101, 25906960, 47280202, 94560404, 118200505, 189120808, 236401010, 378241616, 472802020, 945604040, 1891208080]

約数ペア:

[(1, 1891208080), (2, 945604040), (4, 472802020), (5, 378241616), (8, 236401010), (10, 189120808), (16, 118200505), (20, 94560404), (40, 47280202), (73, 25906960), (80, 23640101), (146, 12953480), (292, 6476740), (365, 5181392), (584, 3238370), (730, 2590696), (1168, 1619185), (1460, 1295348), (2920, 647674), (5840, 323837)]