31520008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1523}}^1$

素因数の和:1741

約数の個数: 32

約数和(自身を含む): 64008000

約数和(自身を除く): 32487992

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 1523, 1592, 2587, 3046, 5174, 6092, 10348, 12184, 19799, 20696, 39598, 79196, 158392, 303077, 606154, 1212308, 2424616, 3940001, 7880002, 15760004, 31520008]

約数ペア:

[(1, 31520008), (2, 15760004), (4, 7880002), (8, 3940001), (13, 2424616), (26, 1212308), (52, 606154), (104, 303077), (199, 158392), (398, 79196), (796, 39598), (1523, 20696), (1592, 19799), (2587, 12184), (3046, 10348), (5174, 6092)]