2531840

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 80

約数和(自身を含む): 6481728

約数和(自身を除く): 3949888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 64, 80, 86, 92, 115, 128, 160, 172, 184, 215, 230, 256, 320, 344, 368, 430, 460, 512, 640, 688, 736, 860, 920, 989, 1280, 1376, 1472, 1720, 1840, 1978, 2560, 2752, 2944, 3440, 3680, 3956, 4945, 5504, 5888, 6880, 7360, 7912, 9890, 11008, 11776, 13760, 14720, 15824, 19780, 22016, 27520, 29440, 31648, 39560, 55040, 58880, 63296, 79120, 110080, 126592, 158240, 253184, 316480, 506368, 632960, 1265920, 2531840]

約数ペア:

[(1, 2531840), (2, 1265920), (4, 632960), (5, 506368), (8, 316480), (10, 253184), (16, 158240), (20, 126592), (23, 110080), (32, 79120), (40, 63296), (43, 58880), (46, 55040), (64, 39560), (80, 31648), (86, 29440), (92, 27520), (115, 22016), (128, 19780), (160, 15824), (172, 14720), (184, 13760), (215, 11776), (230, 11008), (256, 9890), (320, 7912), (344, 7360), (368, 6880), (430, 5888), (460, 5504), (512, 4945), (640, 3956), (688, 3680), (736, 3440), (860, 2944), (920, 2752), (989, 2560), (1280, 1978), (1376, 1840), (1472, 1720)]