2016788240

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{130621}}^1$

素因数の和:130827

約数の個数: 40

約数和(自身を含む): 4713364248

約数和(自身を除く): 2696576008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 130621, 261242, 522484, 653105, 1044968, 1306210, 2089936, 2612420, 5224840, 10449680, 25209853, 50419706, 100839412, 126049265, 201678824, 252098530, 403357648, 504197060, 1008394120, 2016788240]

約数ペア:

[(1, 2016788240), (2, 1008394120), (4, 504197060), (5, 403357648), (8, 252098530), (10, 201678824), (16, 126049265), (20, 100839412), (40, 50419706), (80, 25209853), (193, 10449680), (386, 5224840), (772, 2612420), (965, 2089936), (1544, 1306210), (1930, 1044968), (3088, 653105), (3860, 522484), (7720, 261242), (15440, 130621)]