99470240

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1999}}^1$

素因数の和:2325

約数の個数: 48

約数和(自身を含む): 235872000

約数和(自身を除く): 136401760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 1244, 1555, 1999, 2488, 3110, 3998, 4976, 6220, 7996, 9952, 9995, 12440, 15992, 19990, 24880, 31984, 39980, 49760, 63968, 79960, 159920, 319840, 621689, 1243378, 2486756, 3108445, 4973512, 6216890, 9947024, 12433780, 19894048, 24867560, 49735120, 99470240]

約数ペア:

[(1, 99470240), (2, 49735120), (4, 24867560), (5, 19894048), (8, 12433780), (10, 9947024), (16, 6216890), (20, 4973512), (32, 3108445), (40, 2486756), (80, 1243378), (160, 621689), (311, 319840), (622, 159920), (1244, 79960), (1555, 63968), (1999, 49760), (2488, 39980), (3110, 31984), (3998, 24880), (4976, 19990), (6220, 15992), (7996, 12440), (9952, 9995)]