71112080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{677}}^1$

素因数の和:804

約数の個数: 80

約数和(自身を含む): 180082224

約数和(自身を除く): 108970144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 404, 505, 520, 677, 808, 1010, 1040, 1313, 1354, 1616, 2020, 2626, 2708, 3385, 4040, 5252, 5416, 6565, 6770, 8080, 8801, 10504, 10832, 13130, 13540, 17602, 21008, 26260, 27080, 35204, 44005, 52520, 54160, 68377, 70408, 88010, 105040, 136754, 140816, 176020, 273508, 341885, 352040, 547016, 683770, 704080, 888901, 1094032, 1367540, 1777802, 2735080, 3555604, 4444505, 5470160, 7111208, 8889010, 14222416, 17778020, 35556040, 71112080]

約数ペア:

[(1, 71112080), (2, 35556040), (4, 17778020), (5, 14222416), (8, 8889010), (10, 7111208), (13, 5470160), (16, 4444505), (20, 3555604), (26, 2735080), (40, 1777802), (52, 1367540), (65, 1094032), (80, 888901), (101, 704080), (104, 683770), (130, 547016), (202, 352040), (208, 341885), (260, 273508), (404, 176020), (505, 140816), (520, 136754), (677, 105040), (808, 88010), (1010, 70408), (1040, 68377), (1313, 54160), (1354, 52520), (1616, 44005), (2020, 35204), (2626, 27080), (2708, 26260), (3385, 21008), (4040, 17602), (5252, 13540), (5416, 13130), (6565, 10832), (6770, 10504), (8080, 8801)]