20161500550

素因数分解:

$2^1\times 5^2\times {\mathrm{421}}^1\times {\mathrm{811}}^1\times {\mathrm{1181}}^1$

素因数の和:2425

約数の個数: 48

約数和(自身を含む): 37667682864

約数和(自身を除く): 17506182314

約数列:

[1, 2, 5, 10, 25, 50, 421, 811, 842, 1181, 1622, 2105, 2362, 4055, 4210, 5905, 8110, 10525, 11810, 20275, 21050, 29525, 40550, 59050, 341431, 497201, 682862, 957791, 994402, 1707155, 1915582, 2486005, 3414310, 4788955, 4972010, 8535775, 9577910, 12430025, 17071550, 23944775, 24860050, 47889550, 403230011, 806460022, 2016150055, 4032300110, 10080750275, 20161500550]

約数ペア:

[(1, 20161500550), (2, 10080750275), (5, 4032300110), (10, 2016150055), (25, 806460022), (50, 403230011), (421, 47889550), (811, 24860050), (842, 23944775), (1181, 17071550), (1622, 12430025), (2105, 9577910), (2362, 8535775), (4055, 4972010), (4210, 4788955), (5905, 3414310), (8110, 2486005), (10525, 1915582), (11810, 1707155), (20275, 994402), (21050, 957791), (29525, 682862), (40550, 497201), (59050, 341431)]