2019449240

素因数分解:

$2^3\times 5^1\times {\mathrm{2647}}^1\times {\mathrm{19073}}^1$

素因数の和:21731

約数の個数: 32

約数和(自身を含む): 4545715680

約数和(自身を除く): 2526266440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2647, 5294, 10588, 13235, 19073, 21176, 26470, 38146, 52940, 76292, 95365, 105880, 152584, 190730, 381460, 762920, 50486231, 100972462, 201944924, 252431155, 403889848, 504862310, 1009724620, 2019449240]

約数ペア:

[(1, 2019449240), (2, 1009724620), (4, 504862310), (5, 403889848), (8, 252431155), (10, 201944924), (20, 100972462), (40, 50486231), (2647, 762920), (5294, 381460), (10588, 190730), (13235, 152584), (19073, 105880), (21176, 95365), (26470, 76292), (38146, 52940)]