8039720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15461}}^1$

素因数の和:15485

約数の個数: 32

約数和(自身を含む): 19482120

約数和(自身を除く): 11442400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15461, 30922, 61844, 77305, 123688, 154610, 200993, 309220, 401986, 618440, 803972, 1004965, 1607944, 2009930, 4019860, 8039720]

約数ペア:

[(1, 8039720), (2, 4019860), (4, 2009930), (5, 1607944), (8, 1004965), (10, 803972), (13, 618440), (20, 401986), (26, 309220), (40, 200993), (52, 154610), (65, 123688), (104, 77305), (130, 61844), (260, 30922), (520, 15461)]