55260140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{827}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 125610912

約数和(自身を除く): 70350772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 827, 1028, 1285, 1654, 2570, 3308, 3341, 4135, 5140, 6682, 8270, 10751, 13364, 16540, 16705, 21502, 33410, 43004, 53755, 66820, 107510, 212539, 215020, 425078, 850156, 1062695, 2125390, 2763007, 4250780, 5526014, 11052028, 13815035, 27630070, 55260140]

約数ペア:

[(1, 55260140), (2, 27630070), (4, 13815035), (5, 11052028), (10, 5526014), (13, 4250780), (20, 2763007), (26, 2125390), (52, 1062695), (65, 850156), (130, 425078), (257, 215020), (260, 212539), (514, 107510), (827, 66820), (1028, 53755), (1285, 43004), (1654, 33410), (2570, 21502), (3308, 16705), (3341, 16540), (4135, 13364), (5140, 10751), (6682, 8270)]