2019947120

素因数分解:

$2^4\times 5^1\times {\mathrm{937}}^1\times {\mathrm{26947}}^1$

素因数の和:27897

約数の個数: 40

約数和(自身を含む): 4701563664

約数和(自身を除く): 2681616544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 937, 1874, 3748, 4685, 7496, 9370, 14992, 18740, 26947, 37480, 53894, 74960, 107788, 134735, 215576, 269470, 431152, 538940, 1077880, 2155760, 25249339, 50498678, 100997356, 126246695, 201994712, 252493390, 403989424, 504986780, 1009973560, 2019947120]

約数ペア:

[(1, 2019947120), (2, 1009973560), (4, 504986780), (5, 403989424), (8, 252493390), (10, 201994712), (16, 126246695), (20, 100997356), (40, 50498678), (80, 25249339), (937, 2155760), (1874, 1077880), (3748, 538940), (4685, 431152), (7496, 269470), (9370, 215576), (14992, 134735), (18740, 107788), (26947, 74960), (37480, 53894)]