79600840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1381}}^1$

素因数の和:1534

約数の個数: 64

約数和(自身を含む): 197017920

約数和(自身を除く): 117417080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 220, 262, 440, 524, 655, 1048, 1310, 1381, 1441, 2620, 2762, 2882, 5240, 5524, 5764, 6905, 7205, 11048, 11528, 13810, 14410, 15191, 27620, 28820, 30382, 55240, 57640, 60764, 75955, 121528, 151910, 180911, 303820, 361822, 607640, 723644, 904555, 1447288, 1809110, 1990021, 3618220, 3980042, 7236440, 7960084, 9950105, 15920168, 19900210, 39800420, 79600840]

約数ペア:

[(1, 79600840), (2, 39800420), (4, 19900210), (5, 15920168), (8, 9950105), (10, 7960084), (11, 7236440), (20, 3980042), (22, 3618220), (40, 1990021), (44, 1809110), (55, 1447288), (88, 904555), (110, 723644), (131, 607640), (220, 361822), (262, 303820), (440, 180911), (524, 151910), (655, 121528), (1048, 75955), (1310, 60764), (1381, 57640), (1441, 55240), (2620, 30382), (2762, 28820), (2882, 27620), (5240, 15191), (5524, 14410), (5764, 13810), (6905, 11528), (7205, 11048)]