2017751480

素因数分解:

$2^3\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{36527}}^1$

素因数の和:37919

約数の個数: 32

約数和(自身を含む): 4543352640

約数和(自身を除く): 2525601160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1381, 2762, 5524, 6905, 11048, 13810, 27620, 36527, 55240, 73054, 146108, 182635, 292216, 365270, 730540, 1461080, 50443787, 100887574, 201775148, 252218935, 403550296, 504437870, 1008875740, 2017751480]

約数ペア:

[(1, 2017751480), (2, 1008875740), (4, 504437870), (5, 403550296), (8, 252218935), (10, 201775148), (20, 100887574), (40, 50443787), (1381, 1461080), (2762, 730540), (5524, 365270), (6905, 292216), (11048, 182635), (13810, 146108), (27620, 73054), (36527, 55240)]