159305680

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18269}}^1$

素因数の和:18391

約数の個数: 40

約数和(自身を含む): 373804200

約数和(自身を除く): 214498520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 18269, 36538, 73076, 91345, 146152, 182690, 292304, 365380, 730760, 1461520, 1991321, 3982642, 7965284, 9956605, 15930568, 19913210, 31861136, 39826420, 79652840, 159305680]

約数ペア:

[(1, 159305680), (2, 79652840), (4, 39826420), (5, 31861136), (8, 19913210), (10, 15930568), (16, 9956605), (20, 7965284), (40, 3982642), (80, 1991321), (109, 1461520), (218, 730760), (436, 365380), (545, 292304), (872, 182690), (1090, 146152), (1744, 91345), (2180, 73076), (4360, 36538), (8720, 18269)]