8351720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16061}}^1$

素因数の和:16085

約数の個数: 32

約数和(自身を含む): 20238120

約数和(自身を除く): 11886400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16061, 32122, 64244, 80305, 128488, 160610, 208793, 321220, 417586, 642440, 835172, 1043965, 1670344, 2087930, 4175860, 8351720]

約数ペア:

[(1, 8351720), (2, 4175860), (4, 2087930), (5, 1670344), (8, 1043965), (10, 835172), (13, 642440), (20, 417586), (26, 321220), (40, 208793), (52, 160610), (65, 128488), (104, 80305), (130, 64244), (260, 32122), (520, 16061)]