17778020

素因数分解:

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

素因数の和:800

約数の個数: 48

約数和(自身を含む): 40663728

約数和(自身を除く): 22885708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 677, 1010, 1313, 1354, 2020, 2626, 2708, 3385, 5252, 6565, 6770, 8801, 13130, 13540, 17602, 26260, 35204, 44005, 68377, 88010, 136754, 176020, 273508, 341885, 683770, 888901, 1367540, 1777802, 3555604, 4444505, 8889010, 17778020]

約数ペア:

[(1, 17778020), (2, 8889010), (4, 4444505), (5, 3555604), (10, 1777802), (13, 1367540), (20, 888901), (26, 683770), (52, 341885), (65, 273508), (101, 176020), (130, 136754), (202, 88010), (260, 68377), (404, 44005), (505, 35204), (677, 26260), (1010, 17602), (1313, 13540), (1354, 13130), (2020, 8801), (2626, 6770), (2708, 6565), (3385, 5252)]