55671320

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{10159}}^1$

素因数の和:10307

約数の個数: 32

約数和(自身を含む): 126187200

約数和(自身を除く): 70515880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 10159, 20318, 40636, 50795, 81272, 101590, 203180, 406360, 1391783, 2783566, 5567132, 6958915, 11134264, 13917830, 27835660, 55671320]

約数ペア:

[(1, 55671320), (2, 27835660), (4, 13917830), (5, 11134264), (8, 6958915), (10, 5567132), (20, 2783566), (40, 1391783), (137, 406360), (274, 203180), (548, 101590), (685, 81272), (1096, 50795), (1370, 40636), (2740, 20318), (5480, 10159)]