805210840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2875753}}^1$

素因数の和:2875771

約数の個数: 32

約数和(自身を含む): 2070542880

約数和(自身を除く): 1265332040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2875753, 5751506, 11503012, 14378765, 20130271, 23006024, 28757530, 40260542, 57515060, 80521084, 100651355, 115030120, 161042168, 201302710, 402605420, 805210840]

約数ペア:

[(1, 805210840), (2, 402605420), (4, 201302710), (5, 161042168), (7, 115030120), (8, 100651355), (10, 80521084), (14, 57515060), (20, 40260542), (28, 28757530), (35, 23006024), (40, 20130271), (56, 14378765), (70, 11503012), (140, 5751506), (280, 2875753)]