89728960

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6521}}^1$

素因数の和:6581

約数の個数: 56

約数和(自身を含む): 218669616

約数和(自身を除く): 128940656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6521, 6880, 13042, 13760, 26084, 32605, 52168, 65210, 104336, 130420, 208672, 260840, 280403, 417344, 521680, 560806, 1043360, 1121612, 1402015, 2086720, 2243224, 2804030, 4486448, 5608060, 8972896, 11216120, 17945792, 22432240, 44864480, 89728960]

約数ペア:

[(1, 89728960), (2, 44864480), (4, 22432240), (5, 17945792), (8, 11216120), (10, 8972896), (16, 5608060), (20, 4486448), (32, 2804030), (40, 2243224), (43, 2086720), (64, 1402015), (80, 1121612), (86, 1043360), (160, 560806), (172, 521680), (215, 417344), (320, 280403), (344, 260840), (430, 208672), (688, 130420), (860, 104336), (1376, 65210), (1720, 52168), (2752, 32605), (3440, 26084), (6521, 13760), (6880, 13042)]