7883720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15161}}^1$

素因数の和:15185

約数の個数: 32

約数和(自身を含む): 19104120

約数和(自身を除く): 11220400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15161, 30322, 60644, 75805, 121288, 151610, 197093, 303220, 394186, 606440, 788372, 985465, 1576744, 1970930, 3941860, 7883720]

約数ペア:

[(1, 7883720), (2, 3941860), (4, 1970930), (5, 1576744), (8, 985465), (10, 788372), (13, 606440), (20, 394186), (26, 303220), (40, 197093), (52, 151610), (65, 121288), (104, 75805), (130, 60644), (260, 30322), (520, 15161)]