130405544

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 248300640

約数和(自身を除く): 117895096

約数列:

[1, 2, 4, 8, 101, 202, 251, 404, 502, 643, 808, 1004, 1286, 2008, 2572, 5144, 25351, 50702, 64943, 101404, 129886, 161393, 202808, 259772, 322786, 519544, 645572, 1291144, 16300693, 32601386, 65202772, 130405544]

約数ペア:

[(1, 130405544), (2, 65202772), (4, 32601386), (8, 16300693), (101, 1291144), (202, 645572), (251, 519544), (404, 322786), (502, 259772), (643, 202808), (808, 161393), (1004, 129886), (1286, 101404), (2008, 64943), (2572, 50702), (5144, 25351)]