13297280

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 32313600

約数和(自身を除く): 19016320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 263, 316, 320, 395, 526, 632, 640, 790, 1052, 1264, 1315, 1580, 2104, 2528, 2630, 3160, 4208, 5056, 5260, 6320, 8416, 10112, 10520, 12640, 16832, 20777, 21040, 25280, 33664, 41554, 42080, 50560, 83108, 84160, 103885, 166216, 168320, 207770, 332432, 415540, 664864, 831080, 1329728, 1662160, 2659456, 3324320, 6648640, 13297280]

約数ペア:

[(1, 13297280), (2, 6648640), (4, 3324320), (5, 2659456), (8, 1662160), (10, 1329728), (16, 831080), (20, 664864), (32, 415540), (40, 332432), (64, 207770), (79, 168320), (80, 166216), (128, 103885), (158, 84160), (160, 83108), (263, 50560), (316, 42080), (320, 41554), (395, 33664), (526, 25280), (632, 21040), (640, 20777), (790, 16832), (1052, 12640), (1264, 10520), (1315, 10112), (1580, 8416), (2104, 6320), (2528, 5260), (2630, 5056), (3160, 4208)]