64568320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{12611}}^1$

素因数の和:12636

約数の個数: 44

約数和(自身を含む): 154900584

約数和(自身を除く): 90332264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 12611, 25222, 50444, 63055, 100888, 126110, 201776, 252220, 403552, 504440, 807104, 1008880, 1614208, 2017760, 3228416, 4035520, 6456832, 8071040, 12913664, 16142080, 32284160, 64568320]

約数ペア:

[(1, 64568320), (2, 32284160), (4, 16142080), (5, 12913664), (8, 8071040), (10, 6456832), (16, 4035520), (20, 3228416), (32, 2017760), (40, 1614208), (64, 1008880), (80, 807104), (128, 504440), (160, 403552), (256, 252220), (320, 201776), (512, 126110), (640, 100888), (1024, 63055), (1280, 50444), (2560, 25222), (5120, 12611)]