51378040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{653}}^1$

素因数の和:952

約数の個数: 64

約数和(自身を含む): 132788160

約数和(自身を除く): 81410120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 653, 1124, 1306, 1405, 1967, 2248, 2612, 2810, 3265, 3934, 4571, 5224, 5620, 6530, 7868, 9142, 9835, 11240, 13060, 15736, 18284, 19670, 22855, 26120, 36568, 39340, 45710, 78680, 91420, 182840, 183493, 366986, 733972, 917465, 1284451, 1467944, 1834930, 2568902, 3669860, 5137804, 6422255, 7339720, 10275608, 12844510, 25689020, 51378040]

約数ペア:

[(1, 51378040), (2, 25689020), (4, 12844510), (5, 10275608), (7, 7339720), (8, 6422255), (10, 5137804), (14, 3669860), (20, 2568902), (28, 1834930), (35, 1467944), (40, 1284451), (56, 917465), (70, 733972), (140, 366986), (280, 183493), (281, 182840), (562, 91420), (653, 78680), (1124, 45710), (1306, 39340), (1405, 36568), (1967, 26120), (2248, 22855), (2612, 19670), (2810, 18284), (3265, 15736), (3934, 13060), (4571, 11240), (5224, 9835), (5620, 9142), (6530, 7868)]