31681040

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3023}}^1$

素因数の和:3167

約数の個数: 40

約数和(自身を含む): 74245248

約数和(自身を除く): 42564208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 3023, 5240, 6046, 10480, 12092, 15115, 24184, 30230, 48368, 60460, 120920, 241840, 396013, 792026, 1584052, 1980065, 3168104, 3960130, 6336208, 7920260, 15840520, 31681040]

約数ペア:

[(1, 31681040), (2, 15840520), (4, 7920260), (5, 6336208), (8, 3960130), (10, 3168104), (16, 1980065), (20, 1584052), (40, 792026), (80, 396013), (131, 241840), (262, 120920), (524, 60460), (655, 48368), (1048, 30230), (1310, 24184), (2096, 15115), (2620, 12092), (3023, 10480), (5240, 6046)]