2049209320

素因数分解:

$2^3\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{41017}}^1$

素因数の和:42277

約数の個数: 32

約数和(自身を含む): 4614525000

約数和(自身を除く): 2565315680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1249, 2498, 4996, 6245, 9992, 12490, 24980, 41017, 49960, 82034, 164068, 205085, 328136, 410170, 820340, 1640680, 51230233, 102460466, 204920932, 256151165, 409841864, 512302330, 1024604660, 2049209320]

約数ペア:

[(1, 2049209320), (2, 1024604660), (4, 512302330), (5, 409841864), (8, 256151165), (10, 204920932), (20, 102460466), (40, 51230233), (1249, 1640680), (2498, 820340), (4996, 410170), (6245, 328136), (9992, 205085), (12490, 164068), (24980, 82034), (41017, 49960)]