2034121520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{620159}}^1$

素因数の和:620213

約数の個数: 40

約数和(自身を含む): 4844689920

約数和(自身を除く): 2810568400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 620159, 1240318, 2480636, 3100795, 4961272, 6201590, 9922544, 12403180, 24806360, 25426519, 49612720, 50853038, 101706076, 127132595, 203412152, 254265190, 406824304, 508530380, 1017060760, 2034121520]

約数ペア:

[(1, 2034121520), (2, 1017060760), (4, 508530380), (5, 406824304), (8, 254265190), (10, 203412152), (16, 127132595), (20, 101706076), (40, 50853038), (41, 49612720), (80, 25426519), (82, 24806360), (164, 12403180), (205, 9922544), (328, 6201590), (410, 4961272), (656, 3100795), (820, 2480636), (1640, 1240318), (3280, 620159)]