77740160

素因数分解:

$2^7\times 5^1\times {\mathrm{121469}}^1$

素因数の和:121488

約数の個数: 32

約数和(自身を含む): 185849100

約数和(自身を除く): 108108940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 121469, 242938, 485876, 607345, 971752, 1214690, 1943504, 2429380, 3887008, 4858760, 7774016, 9717520, 15548032, 19435040, 38870080, 77740160]

約数ペア:

[(1, 77740160), (2, 38870080), (4, 19435040), (5, 15548032), (8, 9717520), (10, 7774016), (16, 4858760), (20, 3887008), (32, 2429380), (40, 1943504), (64, 1214690), (80, 971752), (128, 607345), (160, 485876), (320, 242938), (640, 121469)]