128281400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{49339}}^1$

素因数の和:49368

約数の個数: 48

約数和(自身を含む): 321203400

約数和(自身を除く): 192922000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 49339, 98678, 197356, 246695, 394712, 493390, 641407, 986780, 1233475, 1282814, 1973560, 2466950, 2565628, 3207035, 4933900, 5131256, 6414070, 9867800, 12828140, 16035175, 25656280, 32070350, 64140700, 128281400]

約数ペア:

[(1, 128281400), (2, 64140700), (4, 32070350), (5, 25656280), (8, 16035175), (10, 12828140), (13, 9867800), (20, 6414070), (25, 5131256), (26, 4933900), (40, 3207035), (50, 2565628), (52, 2466950), (65, 1973560), (100, 1282814), (104, 1233475), (130, 986780), (200, 641407), (260, 493390), (325, 394712), (520, 246695), (650, 197356), (1300, 98678), (2600, 49339)]