47639920

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6691}}^1$

素因数の和:6793

約数の個数: 40

約数和(自身を含む): 112024080

約数和(自身を除く): 64384160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 6691, 7120, 13382, 26764, 33455, 53528, 66910, 107056, 133820, 267640, 535280, 595499, 1190998, 2381996, 2977495, 4763992, 5954990, 9527984, 11909980, 23819960, 47639920]

約数ペア:

[(1, 47639920), (2, 23819960), (4, 11909980), (5, 9527984), (8, 5954990), (10, 4763992), (16, 2977495), (20, 2381996), (40, 1190998), (80, 595499), (89, 535280), (178, 267640), (356, 133820), (445, 107056), (712, 66910), (890, 53528), (1424, 33455), (1780, 26764), (3560, 13382), (6691, 7120)]