8418320

素因数分解:

$2^4\times 5^1\times {\mathrm{105229}}^1$

素因数の和:105242

約数の個数: 20

約数和(自身を含む): 19572780

約数和(自身を除く): 11154460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 105229, 210458, 420916, 526145, 841832, 1052290, 1683664, 2104580, 4209160, 8418320]

約数ペア:

[(1, 8418320), (2, 4209160), (4, 2104580), (5, 1683664), (8, 1052290), (10, 841832), (16, 526145), (20, 420916), (40, 210458), (80, 105229)]