8356010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 18144000

約数和(自身を除く): 9787990

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 199, 221, 247, 323, 398, 442, 494, 646, 995, 1105, 1235, 1615, 1990, 2210, 2470, 2587, 3230, 3383, 3781, 4199, 5174, 6766, 7562, 8398, 12935, 16915, 18905, 20995, 25870, 33830, 37810, 41990, 43979, 49153, 64277, 87958, 98306, 128554, 219895, 245765, 321385, 439790, 491530, 642770, 835601, 1671202, 4178005, 8356010]

約数ペア:

[(1, 8356010), (2, 4178005), (5, 1671202), (10, 835601), (13, 642770), (17, 491530), (19, 439790), (26, 321385), (34, 245765), (38, 219895), (65, 128554), (85, 98306), (95, 87958), (130, 64277), (170, 49153), (190, 43979), (199, 41990), (221, 37810), (247, 33830), (323, 25870), (398, 20995), (442, 18905), (494, 16915), (646, 12935), (995, 8398), (1105, 7562), (1235, 6766), (1615, 5174), (1990, 4199), (2210, 3781), (2470, 3383), (2587, 3230)]