200900080

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{23039}}^1$

素因数の和:23161

約数の個数: 40

約数和(自身を含む): 471398400

約数和(自身を除く): 270498320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 23039, 46078, 92156, 115195, 184312, 230390, 368624, 460780, 921560, 1843120, 2511251, 5022502, 10045004, 12556255, 20090008, 25112510, 40180016, 50225020, 100450040, 200900080]

約数ペア:

[(1, 200900080), (2, 100450040), (4, 50225020), (5, 40180016), (8, 25112510), (10, 20090008), (16, 12556255), (20, 10045004), (40, 5022502), (80, 2511251), (109, 1843120), (218, 921560), (436, 460780), (545, 368624), (872, 230390), (1090, 184312), (1744, 115195), (2180, 92156), (4360, 46078), (8720, 23039)]