2013808520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1\times {\mathrm{1123}}^1$

素因数の和:1614

約数の個数: 64

約数和(自身を含む): 4583761920

約数和(自身を除く): 2569953400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 353, 508, 635, 706, 1016, 1123, 1270, 1412, 1765, 2246, 2540, 2824, 3530, 4492, 5080, 5615, 7060, 8984, 11230, 14120, 22460, 44831, 44920, 89662, 142621, 179324, 224155, 285242, 358648, 396419, 448310, 570484, 713105, 792838, 896620, 1140968, 1426210, 1585676, 1793240, 1982095, 2852420, 3171352, 3964190, 5704840, 7928380, 15856760, 50345213, 100690426, 201380852, 251726065, 402761704, 503452130, 1006904260, 2013808520]

約数ペア:

[(1, 2013808520), (2, 1006904260), (4, 503452130), (5, 402761704), (8, 251726065), (10, 201380852), (20, 100690426), (40, 50345213), (127, 15856760), (254, 7928380), (353, 5704840), (508, 3964190), (635, 3171352), (706, 2852420), (1016, 1982095), (1123, 1793240), (1270, 1585676), (1412, 1426210), (1765, 1140968), (2246, 896620), (2540, 792838), (2824, 713105), (3530, 570484), (4492, 448310), (5080, 396419), (5615, 358648), (7060, 285242), (8984, 224155), (11230, 179324), (14120, 142621), (22460, 89662), (44831, 44920)]