7271120

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{937}}^1$

素因数の和:1047

約数の個数: 40

約数和(自身を含む): 17097864

約数和(自身を除く): 9826744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 937, 970, 1552, 1874, 1940, 3748, 3880, 4685, 7496, 7760, 9370, 14992, 18740, 37480, 74960, 90889, 181778, 363556, 454445, 727112, 908890, 1454224, 1817780, 3635560, 7271120]

約数ペア:

[(1, 7271120), (2, 3635560), (4, 1817780), (5, 1454224), (8, 908890), (10, 727112), (16, 454445), (20, 363556), (40, 181778), (80, 90889), (97, 74960), (194, 37480), (388, 18740), (485, 14992), (776, 9370), (937, 7760), (970, 7496), (1552, 4685), (1874, 3880), (1940, 3748)]