51154790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 94374720

約数和(自身を除く): 43219930

約数列:

[1, 2, 5, 10, 71, 109, 142, 218, 355, 545, 661, 710, 1090, 1322, 3305, 6610, 7739, 15478, 38695, 46931, 72049, 77390, 93862, 144098, 234655, 360245, 469310, 720490, 5115479, 10230958, 25577395, 51154790]

約数ペア:

[(1, 51154790), (2, 25577395), (5, 10230958), (10, 5115479), (71, 720490), (109, 469310), (142, 360245), (218, 234655), (355, 144098), (545, 93862), (661, 77390), (710, 72049), (1090, 46931), (1322, 38695), (3305, 15478), (6610, 7739)]