2550994580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{28541}}^1$

素因数の和:28700

約数の個数: 48

約数和(自身を含む): 5538289680

約数和(自身を除く): 2987295100

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 820, 1090, 2180, 4469, 8938, 17876, 22345, 28541, 44690, 57082, 89380, 114164, 142705, 285410, 570820, 1170181, 2340362, 3110969, 4680724, 5850905, 6221938, 11701810, 12443876, 15554845, 23403620, 31109690, 62219380, 127549729, 255099458, 510198916, 637748645, 1275497290, 2550994580]

約数ペア:

[(1, 2550994580), (2, 1275497290), (4, 637748645), (5, 510198916), (10, 255099458), (20, 127549729), (41, 62219380), (82, 31109690), (109, 23403620), (164, 15554845), (205, 12443876), (218, 11701810), (410, 6221938), (436, 5850905), (545, 4680724), (820, 3110969), (1090, 2340362), (2180, 1170181), (4469, 570820), (8938, 285410), (17876, 142705), (22345, 114164), (28541, 89380), (44690, 57082)]