20180199400

素因数分解:

$2^3\times 5^2\times {\mathrm{797}}^1\times {\mathrm{126601}}^1$

素因数の和:127414

約数の個数: 48

約数和(自身を含む): 46978204140

約数和(自身を除く): 26798004740

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 797, 1594, 3188, 3985, 6376, 7970, 15940, 19925, 31880, 39850, 79700, 126601, 159400, 253202, 506404, 633005, 1012808, 1266010, 2532020, 3165025, 5064040, 6330050, 12660100, 25320200, 100900997, 201801994, 403603988, 504504985, 807207976, 1009009970, 2018019940, 2522524925, 4036039880, 5045049850, 10090099700, 20180199400]

約数ペア:

[(1, 20180199400), (2, 10090099700), (4, 5045049850), (5, 4036039880), (8, 2522524925), (10, 2018019940), (20, 1009009970), (25, 807207976), (40, 504504985), (50, 403603988), (100, 201801994), (200, 100900997), (797, 25320200), (1594, 12660100), (3188, 6330050), (3985, 5064040), (6376, 3165025), (7970, 2532020), (15940, 1266010), (19925, 1012808), (31880, 633005), (39850, 506404), (79700, 253202), (126601, 159400)]