210008167220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{256107521}}^1$

素因数の和:256107571

約数の個数: 24

約数和(自身を含む): 451773668808

約数和(自身を除く): 241765501588

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 256107521, 512215042, 1024430084, 1280537605, 2561075210, 5122150420, 10500408361, 21000816722, 42001633444, 52502041805, 105004083610, 210008167220]

約数ペア:

[(1, 210008167220), (2, 105004083610), (4, 52502041805), (5, 42001633444), (10, 21000816722), (20, 10500408361), (41, 5122150420), (82, 2561075210), (164, 1280537605), (205, 1024430084), (410, 512215042), (820, 256107521)]