200912720

素因数分解:

$2^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{6733}}^1$

素因数の和:7119

約数の個数: 40

約数和(自身を含む): 468443976

約数和(自身を除く): 267531256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 373, 746, 1492, 1865, 2984, 3730, 5968, 6733, 7460, 13466, 14920, 26932, 29840, 33665, 53864, 67330, 107728, 134660, 269320, 538640, 2511409, 5022818, 10045636, 12557045, 20091272, 25114090, 40182544, 50228180, 100456360, 200912720]

約数ペア:

[(1, 200912720), (2, 100456360), (4, 50228180), (5, 40182544), (8, 25114090), (10, 20091272), (16, 12557045), (20, 10045636), (40, 5022818), (80, 2511409), (373, 538640), (746, 269320), (1492, 134660), (1865, 107728), (2984, 67330), (3730, 53864), (5968, 33665), (6733, 29840), (7460, 26932), (13466, 14920)]