64695040

素因数分解:

$2^8\times 5^1\times {\mathrm{50543}}^1$

素因数の和:50564

約数の個数: 36

約数和(自身を含む): 154967904

約数和(自身を除く): 90272864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 50543, 101086, 202172, 252715, 404344, 505430, 808688, 1010860, 1617376, 2021720, 3234752, 4043440, 6469504, 8086880, 12939008, 16173760, 32347520, 64695040]

約数ペア:

[(1, 64695040), (2, 32347520), (4, 16173760), (5, 12939008), (8, 8086880), (10, 6469504), (16, 4043440), (20, 3234752), (32, 2021720), (40, 1617376), (64, 1010860), (80, 808688), (128, 505430), (160, 404344), (256, 252715), (320, 202172), (640, 101086), (1280, 50543)]