28801720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37897}}^1$

素因数の和:37927

約数の個数: 32

約数和(自身を含む): 68216400

約数和(自身を除く): 39414680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37897, 75794, 151588, 189485, 303176, 378970, 720043, 757940, 1440086, 1515880, 2880172, 3600215, 5760344, 7200430, 14400860, 28801720]

約数ペア:

[(1, 28801720), (2, 14400860), (4, 7200430), (5, 5760344), (8, 3600215), (10, 2880172), (19, 1515880), (20, 1440086), (38, 757940), (40, 720043), (76, 378970), (95, 303176), (152, 189485), (190, 151588), (380, 75794), (760, 37897)]