51615920

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3343}}^1$

素因数の和:3549

約数の個数: 40

約数和(自身を含む): 120664896

約数和(自身を除く): 69048976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3343, 3860, 6686, 7720, 13372, 15440, 16715, 26744, 33430, 53488, 66860, 133720, 267440, 645199, 1290398, 2580796, 3225995, 5161592, 6451990, 10323184, 12903980, 25807960, 51615920]

約数ペア:

[(1, 51615920), (2, 25807960), (4, 12903980), (5, 10323184), (8, 6451990), (10, 5161592), (16, 3225995), (20, 2580796), (40, 1290398), (80, 645199), (193, 267440), (386, 133720), (772, 66860), (965, 53488), (1544, 33430), (1930, 26744), (3088, 16715), (3343, 15440), (3860, 13372), (6686, 7720)]