331839920

素因数分解:

$2^4\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{4111}}^1$

素因数の和:5133

約数の個数: 40

約数和(自身を含む): 772480320

約数和(自身を除く): 440640400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1009, 2018, 4036, 4111, 5045, 8072, 8222, 10090, 16144, 16444, 20180, 20555, 32888, 40360, 41110, 65776, 80720, 82220, 164440, 328880, 4147999, 8295998, 16591996, 20739995, 33183992, 41479990, 66367984, 82959980, 165919960, 331839920]

約数ペア:

[(1, 331839920), (2, 165919960), (4, 82959980), (5, 66367984), (8, 41479990), (10, 33183992), (16, 20739995), (20, 16591996), (40, 8295998), (80, 4147999), (1009, 328880), (2018, 164440), (4036, 82220), (4111, 80720), (5045, 65776), (8072, 41110), (8222, 40360), (10090, 32888), (16144, 20555), (16444, 20180)]