80492560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23399}}^1$

素因数の和:23455

約数の個数: 40

約数和(自身を含む): 191505600

約数和(自身を除く): 111013040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 23399, 46798, 93596, 116995, 187192, 233990, 374384, 467980, 935960, 1006157, 1871920, 2012314, 4024628, 5030785, 8049256, 10061570, 16098512, 20123140, 40246280, 80492560]

約数ペア:

[(1, 80492560), (2, 40246280), (4, 20123140), (5, 16098512), (8, 10061570), (10, 8049256), (16, 5030785), (20, 4024628), (40, 2012314), (43, 1871920), (80, 1006157), (86, 935960), (172, 467980), (215, 374384), (344, 233990), (430, 187192), (688, 116995), (860, 93596), (1720, 46798), (3440, 23399)]