42579800

素因数分解:

$2^3\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1009}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 99565800

約数和(自身を除く): 56986000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 211, 422, 844, 1009, 1055, 1688, 2018, 2110, 4036, 4220, 5045, 5275, 8072, 8440, 10090, 10550, 20180, 21100, 25225, 40360, 42200, 50450, 100900, 201800, 212899, 425798, 851596, 1064495, 1703192, 2128990, 4257980, 5322475, 8515960, 10644950, 21289900, 42579800]

約数ペア:

[(1, 42579800), (2, 21289900), (4, 10644950), (5, 8515960), (8, 5322475), (10, 4257980), (20, 2128990), (25, 1703192), (40, 1064495), (50, 851596), (100, 425798), (200, 212899), (211, 201800), (422, 100900), (844, 50450), (1009, 42200), (1055, 40360), (1688, 25225), (2018, 21100), (2110, 20180), (4036, 10550), (4220, 10090), (5045, 8440), (5275, 8072)]