201272080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109387}}^1$

素因数の和:109423

約数の個数: 40

約数和(自身を含む): 488308032

約数和(自身を除く): 287035952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 109387, 218774, 437548, 546935, 875096, 1093870, 1750192, 2187740, 2515901, 4375480, 5031802, 8750960, 10063604, 12579505, 20127208, 25159010, 40254416, 50318020, 100636040, 201272080]

約数ペア:

[(1, 201272080), (2, 100636040), (4, 50318020), (5, 40254416), (8, 25159010), (10, 20127208), (16, 12579505), (20, 10063604), (23, 8750960), (40, 5031802), (46, 4375480), (80, 2515901), (92, 2187740), (115, 1750192), (184, 1093870), (230, 875096), (368, 546935), (460, 437548), (920, 218774), (1840, 109387)]