8120475520

素因数分解:

$2^7\times 5^1\times {\mathrm{12688243}}^1$

素因数の和:12688262

約数の個数: 32

約数和(自身を含む): 19413013320

約数和(自身を除く): 11292537800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12688243, 25376486, 50752972, 63441215, 101505944, 126882430, 203011888, 253764860, 406023776, 507529720, 812047552, 1015059440, 1624095104, 2030118880, 4060237760, 8120475520]

約数ペア:

[(1, 8120475520), (2, 4060237760), (4, 2030118880), (5, 1624095104), (8, 1015059440), (10, 812047552), (16, 507529720), (20, 406023776), (32, 253764860), (40, 203011888), (64, 126882430), (80, 101505944), (128, 63441215), (160, 50752972), (320, 25376486), (640, 12688243)]