13889720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26711}}^1$

素因数の和:26735

約数の個数: 32

約数和(自身を含む): 33657120

約数和(自身を除く): 19767400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 26711, 53422, 106844, 133555, 213688, 267110, 347243, 534220, 694486, 1068440, 1388972, 1736215, 2777944, 3472430, 6944860, 13889720]

約数ペア:

[(1, 13889720), (2, 6944860), (4, 3472430), (5, 2777944), (8, 1736215), (10, 1388972), (13, 1068440), (20, 694486), (26, 534220), (40, 347243), (52, 267110), (65, 213688), (104, 133555), (130, 106844), (260, 53422), (520, 26711)]