2017841240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1230391}}^1$

素因数の和:1230443

約数の個数: 32

約数和(自身を含む): 4650881760

約数和(自身を除く): 2633040520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1230391, 2460782, 4921564, 6151955, 9843128, 12303910, 24607820, 49215640, 50446031, 100892062, 201784124, 252230155, 403568248, 504460310, 1008920620, 2017841240]

約数ペア:

[(1, 2017841240), (2, 1008920620), (4, 504460310), (5, 403568248), (8, 252230155), (10, 201784124), (20, 100892062), (40, 50446031), (41, 49215640), (82, 24607820), (164, 12303910), (205, 9843128), (328, 6151955), (410, 4921564), (820, 2460782), (1640, 1230391)]