8749780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 20102544

約数和(自身を除く): 11352764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 461, 730, 922, 949, 1460, 1844, 1898, 2305, 3796, 4610, 4745, 5993, 9220, 9490, 11986, 18980, 23972, 29965, 33653, 59930, 67306, 119860, 134612, 168265, 336530, 437489, 673060, 874978, 1749956, 2187445, 4374890, 8749780]

約数ペア:

[(1, 8749780), (2, 4374890), (4, 2187445), (5, 1749956), (10, 874978), (13, 673060), (20, 437489), (26, 336530), (52, 168265), (65, 134612), (73, 119860), (130, 67306), (146, 59930), (260, 33653), (292, 29965), (365, 23972), (461, 18980), (730, 11986), (922, 9490), (949, 9220), (1460, 5993), (1844, 4745), (1898, 4610), (2305, 3796)]