20430841120

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{129113}}^1$

素因数の和:129194

約数の個数: 96

約数和(自身を含む): 51538177152

約数和(自身を除く): 31107336032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 80, 86, 92, 115, 160, 172, 184, 215, 230, 344, 368, 430, 460, 688, 736, 860, 920, 989, 1376, 1720, 1840, 1978, 3440, 3680, 3956, 4945, 6880, 7912, 9890, 15824, 19780, 31648, 39560, 79120, 129113, 158240, 258226, 516452, 645565, 1032904, 1291130, 2065808, 2582260, 2969599, 4131616, 5164520, 5551859, 5939198, 10329040, 11103718, 11878396, 14847995, 20658080, 22207436, 23756792, 27759295, 29695990, 44414872, 47513584, 55518590, 59391980, 88829744, 95027168, 111037180, 118783960, 127692757, 177659488, 222074360, 237567920, 255385514, 444148720, 475135840, 510771028, 638463785, 888297440, 1021542056, 1276927570, 2043084112, 2553855140, 4086168224, 5107710280, 10215420560, 20430841120]

約数ペア:

[(1, 20430841120), (2, 10215420560), (4, 5107710280), (5, 4086168224), (8, 2553855140), (10, 2043084112), (16, 1276927570), (20, 1021542056), (23, 888297440), (32, 638463785), (40, 510771028), (43, 475135840), (46, 444148720), (80, 255385514), (86, 237567920), (92, 222074360), (115, 177659488), (160, 127692757), (172, 118783960), (184, 111037180), (215, 95027168), (230, 88829744), (344, 59391980), (368, 55518590), (430, 47513584), (460, 44414872), (688, 29695990), (736, 27759295), (860, 23756792), (920, 22207436), (989, 20658080), (1376, 14847995), (1720, 11878396), (1840, 11103718), (1978, 10329040), (3440, 5939198), (3680, 5551859), (3956, 5164520), (4945, 4131616), (6880, 2969599), (7912, 2582260), (9890, 2065808), (15824, 1291130), (19780, 1032904), (31648, 645565), (39560, 516452), (79120, 258226), (129113, 158240)]