1280032

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 2889432

約数和(自身を除く): 1609400

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 181, 208, 221, 272, 362, 416, 442, 544, 724, 884, 1448, 1768, 2353, 2896, 3077, 3536, 4706, 5792, 6154, 7072, 9412, 12308, 18824, 24616, 37648, 40001, 49232, 75296, 80002, 98464, 160004, 320008, 640016, 1280032]

約数ペア:

[(1, 1280032), (2, 640016), (4, 320008), (8, 160004), (13, 98464), (16, 80002), (17, 75296), (26, 49232), (32, 40001), (34, 37648), (52, 24616), (68, 18824), (104, 12308), (136, 9412), (181, 7072), (208, 6154), (221, 5792), (272, 4706), (362, 3536), (416, 3077), (442, 2896), (544, 2353), (724, 1768), (884, 1448)]