55203920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9719}}^1$

素因数の和:9803

約数の個数: 40

約数和(自身を含む): 130170240

約数和(自身を除く): 74966320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 9719, 19438, 38876, 48595, 77752, 97190, 155504, 194380, 388760, 690049, 777520, 1380098, 2760196, 3450245, 5520392, 6900490, 11040784, 13800980, 27601960, 55203920]

約数ペア:

[(1, 55203920), (2, 27601960), (4, 13800980), (5, 11040784), (8, 6900490), (10, 5520392), (16, 3450245), (20, 2760196), (40, 1380098), (71, 777520), (80, 690049), (142, 388760), (284, 194380), (355, 155504), (568, 97190), (710, 77752), (1136, 48595), (1420, 38876), (2840, 19438), (5680, 9719)]