648924160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{126743}}^1$

素因数の和:126768

約数の個数: 44

約数和(自身を含む): 1556669808

約数和(自身を除く): 907745648

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, 126743, 253486, 506972, 633715, 1013944, 1267430, 2027888, 2534860, 4055776, 5069720, 8111552, 10139440, 16223104, 20278880, 32446208, 40557760, 64892416, 81115520, 129784832, 162231040, 324462080, 648924160]

約数ペア:

[(1, 648924160), (2, 324462080), (4, 162231040), (5, 129784832), (8, 81115520), (10, 64892416), (16, 40557760), (20, 32446208), (32, 20278880), (40, 16223104), (64, 10139440), (80, 8111552), (128, 5069720), (160, 4055776), (256, 2534860), (320, 2027888), (512, 1267430), (640, 1013944), (1024, 633715), (1280, 506972), (2560, 253486), (5120, 126743)]