51883960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18269}}^1$

素因数の和:18351

約数の個数: 32

約数和(自身を含む): 118389600

約数和(自身を除く): 66505640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 18269, 36538, 73076, 91345, 146152, 182690, 365380, 730760, 1297099, 2594198, 5188396, 6485495, 10376792, 12970990, 25941980, 51883960]

約数ペア:

[(1, 51883960), (2, 25941980), (4, 12970990), (5, 10376792), (8, 6485495), (10, 5188396), (20, 2594198), (40, 1297099), (71, 730760), (142, 365380), (284, 182690), (355, 146152), (568, 91345), (710, 73076), (1420, 36538), (2840, 18269)]