13457720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10853}}^1$

素因数の和:10895

約数の個数: 32

約数和(自身を含む): 31259520

約数和(自身を除く): 17801800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10853, 21706, 43412, 54265, 86824, 108530, 217060, 336443, 434120, 672886, 1345772, 1682215, 2691544, 3364430, 6728860, 13457720]

約数ペア:

[(1, 13457720), (2, 6728860), (4, 3364430), (5, 2691544), (8, 1682215), (10, 1345772), (20, 672886), (31, 434120), (40, 336443), (62, 217060), (124, 108530), (155, 86824), (248, 54265), (310, 43412), (620, 21706), (1240, 10853)]