55513820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1051}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 123715200

約数和(自身を除く): 68201380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1051, 1390, 2102, 2641, 2780, 4204, 5255, 5282, 10510, 10564, 13205, 19969, 21020, 26410, 39938, 52820, 79876, 99845, 146089, 199690, 292178, 399380, 584356, 730445, 1460890, 2775691, 2921780, 5551382, 11102764, 13878455, 27756910, 55513820]

約数ペア:

[(1, 55513820), (2, 27756910), (4, 13878455), (5, 11102764), (10, 5551382), (19, 2921780), (20, 2775691), (38, 1460890), (76, 730445), (95, 584356), (139, 399380), (190, 292178), (278, 199690), (380, 146089), (556, 99845), (695, 79876), (1051, 52820), (1390, 39938), (2102, 26410), (2641, 21020), (2780, 19969), (4204, 13205), (5255, 10564), (5282, 10510)]