68481400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{26339}}^1$

素因数の和:26368

約数の個数: 48

約数和(自身を含む): 171473400

約数和(自身を除く): 102992000

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, 26339, 52678, 105356, 131695, 210712, 263390, 342407, 526780, 658475, 684814, 1053560, 1316950, 1369628, 1712035, 2633900, 2739256, 3424070, 5267800, 6848140, 8560175, 13696280, 17120350, 34240700, 68481400]

約数ペア:

[(1, 68481400), (2, 34240700), (4, 17120350), (5, 13696280), (8, 8560175), (10, 6848140), (13, 5267800), (20, 3424070), (25, 2739256), (26, 2633900), (40, 1712035), (50, 1369628), (52, 1316950), (65, 1053560), (100, 684814), (104, 658475), (130, 526780), (200, 342407), (260, 263390), (325, 210712), (520, 131695), (650, 105356), (1300, 52678), (2600, 26339)]