2080784620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127343}}^1$

素因数の和:127414

約数の個数: 48

約数和(自身を含む): 4706634240

約数和(自身を除く): 2625849620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 16340, 127343, 254686, 509372, 636715, 1273430, 2419517, 2546860, 4839034, 5475749, 9678068, 10951498, 12097585, 21902996, 24195170, 27378745, 48390340, 54757490, 104039231, 109514980, 208078462, 416156924, 520196155, 1040392310, 2080784620]

約数ペア:

[(1, 2080784620), (2, 1040392310), (4, 520196155), (5, 416156924), (10, 208078462), (19, 109514980), (20, 104039231), (38, 54757490), (43, 48390340), (76, 27378745), (86, 24195170), (95, 21902996), (172, 12097585), (190, 10951498), (215, 9678068), (380, 5475749), (430, 4839034), (817, 2546860), (860, 2419517), (1634, 1273430), (3268, 636715), (4085, 509372), (8170, 254686), (16340, 127343)]