641610520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{149909}}^1$

素因数の和:150027

約数の個数: 32

約数和(自身を含む): 1457125200

約数和(自身を除く): 815514680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 149909, 299818, 599636, 749545, 1199272, 1499090, 2998180, 5996360, 16040263, 32080526, 64161052, 80201315, 128322104, 160402630, 320805260, 641610520]

約数ペア:

[(1, 641610520), (2, 320805260), (4, 160402630), (5, 128322104), (8, 80201315), (10, 64161052), (20, 32080526), (40, 16040263), (107, 5996360), (214, 2998180), (428, 1499090), (535, 1199272), (856, 749545), (1070, 599636), (2140, 299818), (4280, 149909)]