77489680

素因数分解:

$2^4\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2237}}^1$

素因数の和:2683

約数の個数: 40

約数和(自身を含む): 180660312

約数和(自身を除く): 103170632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 433, 866, 1732, 2165, 2237, 3464, 4330, 4474, 6928, 8660, 8948, 11185, 17320, 17896, 22370, 34640, 35792, 44740, 89480, 178960, 968621, 1937242, 3874484, 4843105, 7748968, 9686210, 15497936, 19372420, 38744840, 77489680]

約数ペア:

[(1, 77489680), (2, 38744840), (4, 19372420), (5, 15497936), (8, 9686210), (10, 7748968), (16, 4843105), (20, 3874484), (40, 1937242), (80, 968621), (433, 178960), (866, 89480), (1732, 44740), (2165, 35792), (2237, 34640), (3464, 22370), (4330, 17896), (4474, 17320), (6928, 11185), (8660, 8948)]