64284160

素因数分解:

$2^9\times 5^1\times {\mathrm{25111}}^1$

素因数の和:25134

約数の個数: 40

約数和(自身を含む): 154137456

約数和(自身を除く): 89853296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 25111, 50222, 100444, 125555, 200888, 251110, 401776, 502220, 803552, 1004440, 1607104, 2008880, 3214208, 4017760, 6428416, 8035520, 12856832, 16071040, 32142080, 64284160]

約数ペア:

[(1, 64284160), (2, 32142080), (4, 16071040), (5, 12856832), (8, 8035520), (10, 6428416), (16, 4017760), (20, 3214208), (32, 2008880), (40, 1607104), (64, 1004440), (80, 803552), (128, 502220), (160, 401776), (256, 251110), (320, 200888), (512, 125555), (640, 100444), (1280, 50222), (2560, 25111)]