8320208

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:232

約数の個数: 60

約数和(自身を含む): 18584748

約数和(自身を除く): 10264540

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 169, 181, 208, 221, 272, 338, 362, 442, 676, 724, 884, 1352, 1448, 1768, 2353, 2704, 2873, 2896, 3077, 3536, 4706, 5746, 6154, 9412, 11492, 12308, 18824, 22984, 24616, 30589, 37648, 40001, 45968, 49232, 61178, 80002, 122356, 160004, 244712, 320008, 489424, 520013, 640016, 1040026, 2080052, 4160104, 8320208]

約数ペア:

[(1, 8320208), (2, 4160104), (4, 2080052), (8, 1040026), (13, 640016), (16, 520013), (17, 489424), (26, 320008), (34, 244712), (52, 160004), (68, 122356), (104, 80002), (136, 61178), (169, 49232), (181, 45968), (208, 40001), (221, 37648), (272, 30589), (338, 24616), (362, 22984), (442, 18824), (676, 12308), (724, 11492), (884, 9412), (1352, 6154), (1448, 5746), (1768, 4706), (2353, 3536), (2704, 3077), (2873, 2896)]