844275280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{257401}}^1$

素因数の和:257455

約数の個数: 40

約数和(自身を含む): 2010824424

約数和(自身を除く): 1166549144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 257401, 514802, 1029604, 1287005, 2059208, 2574010, 4118416, 5148020, 10296040, 10553441, 20592080, 21106882, 42213764, 52767205, 84427528, 105534410, 168855056, 211068820, 422137640, 844275280]

約数ペア:

[(1, 844275280), (2, 422137640), (4, 211068820), (5, 168855056), (8, 105534410), (10, 84427528), (16, 52767205), (20, 42213764), (40, 21106882), (41, 20592080), (80, 10553441), (82, 10296040), (164, 5148020), (205, 4118416), (328, 2574010), (410, 2059208), (656, 1287005), (820, 1029604), (1640, 514802), (3280, 257401)]