68519720

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{16631}}^1$

素因数の和:16745

約数の個数: 32

約数和(自身を含む): 155675520

約数和(自身を除く): 87155800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 16631, 33262, 66524, 83155, 133048, 166310, 332620, 665240, 1712993, 3425986, 6851972, 8564965, 13703944, 17129930, 34259860, 68519720]

約数ペア:

[(1, 68519720), (2, 34259860), (4, 17129930), (5, 13703944), (8, 8564965), (10, 6851972), (20, 3425986), (40, 1712993), (103, 665240), (206, 332620), (412, 166310), (515, 133048), (824, 83155), (1030, 66524), (2060, 33262), (4120, 16631)]