11950720

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 29082240

約数和(自身を除く): 17131520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 263, 284, 320, 355, 526, 568, 640, 710, 1052, 1136, 1315, 1420, 2104, 2272, 2630, 2840, 4208, 4544, 5260, 5680, 8416, 9088, 10520, 11360, 16832, 18673, 21040, 22720, 33664, 37346, 42080, 45440, 74692, 84160, 93365, 149384, 168320, 186730, 298768, 373460, 597536, 746920, 1195072, 1493840, 2390144, 2987680, 5975360, 11950720]

約数ペア:

[(1, 11950720), (2, 5975360), (4, 2987680), (5, 2390144), (8, 1493840), (10, 1195072), (16, 746920), (20, 597536), (32, 373460), (40, 298768), (64, 186730), (71, 168320), (80, 149384), (128, 93365), (142, 84160), (160, 74692), (263, 45440), (284, 42080), (320, 37346), (355, 33664), (526, 22720), (568, 21040), (640, 18673), (710, 16832), (1052, 11360), (1136, 10520), (1315, 9088), (1420, 8416), (2104, 5680), (2272, 5260), (2630, 4544), (2840, 4208)]