844202440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{208961}}^1$

素因数の和:209073

約数の個数: 32

約数和(自身を含む): 1918271160

約数和(自身を除く): 1074068720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 208961, 417922, 835844, 1044805, 1671688, 2089610, 4179220, 8358440, 21105061, 42210122, 84420244, 105525305, 168840488, 211050610, 422101220, 844202440]

約数ペア:

[(1, 844202440), (2, 422101220), (4, 211050610), (5, 168840488), (8, 105525305), (10, 84420244), (20, 42210122), (40, 21105061), (101, 8358440), (202, 4179220), (404, 2089610), (505, 1671688), (808, 1044805), (1010, 835844), (2020, 417922), (4040, 208961)]