1975174280

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{60887}}^1$

素因数の和:61709

約数の個数: 32

約数和(自身を含む): 4449695040

約数和(自身を除く): 2474520760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 3244, 4055, 6488, 8110, 16220, 32440, 60887, 121774, 243548, 304435, 487096, 608870, 1217740, 2435480, 49379357, 98758714, 197517428, 246896785, 395034856, 493793570, 987587140, 1975174280]

約数ペア:

[(1, 1975174280), (2, 987587140), (4, 493793570), (5, 395034856), (8, 246896785), (10, 197517428), (20, 98758714), (40, 49379357), (811, 2435480), (1622, 1217740), (3244, 608870), (4055, 487096), (6488, 304435), (8110, 243548), (16220, 121774), (32440, 60887)]