13297180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 30340800

約数和(自身を除く): 17043620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 257, 260, 398, 514, 796, 995, 1028, 1285, 1990, 2570, 2587, 3341, 3980, 5140, 5174, 6682, 10348, 12935, 13364, 16705, 25870, 33410, 51143, 51740, 66820, 102286, 204572, 255715, 511430, 664859, 1022860, 1329718, 2659436, 3324295, 6648590, 13297180]

約数ペア:

[(1, 13297180), (2, 6648590), (4, 3324295), (5, 2659436), (10, 1329718), (13, 1022860), (20, 664859), (26, 511430), (52, 255715), (65, 204572), (130, 102286), (199, 66820), (257, 51740), (260, 51143), (398, 33410), (514, 25870), (796, 16705), (995, 13364), (1028, 12935), (1285, 10348), (1990, 6682), (2570, 5174), (2587, 5140), (3341, 3980)]