13216137080

素因数分解:

$2^3\times 5^1\times {\mathrm{2579}}^1\times {\mathrm{128113}}^1$

素因数の和:130703

約数の個数: 32

約数和(自身を含む): 29748070800

約数和(自身を除く): 16531933720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2579, 5158, 10316, 12895, 20632, 25790, 51580, 103160, 128113, 256226, 512452, 640565, 1024904, 1281130, 2562260, 5124520, 330403427, 660806854, 1321613708, 1652017135, 2643227416, 3304034270, 6608068540, 13216137080]

約数ペア:

[(1, 13216137080), (2, 6608068540), (4, 3304034270), (5, 2643227416), (8, 1652017135), (10, 1321613708), (20, 660806854), (40, 330403427), (2579, 5124520), (5158, 2562260), (10316, 1281130), (12895, 1024904), (20632, 640565), (25790, 512452), (51580, 256226), (103160, 128113)]