11908640

素因数分解:

$2^5\times 5^1\times {\mathrm{263}}^1\times {\mathrm{283}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 28340928

約数和(自身を除く): 16432288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 263, 283, 526, 566, 1052, 1132, 1315, 1415, 2104, 2264, 2630, 2830, 4208, 4528, 5260, 5660, 8416, 9056, 10520, 11320, 21040, 22640, 42080, 45280, 74429, 148858, 297716, 372145, 595432, 744290, 1190864, 1488580, 2381728, 2977160, 5954320, 11908640]

約数ペア:

[(1, 11908640), (2, 5954320), (4, 2977160), (5, 2381728), (8, 1488580), (10, 1190864), (16, 744290), (20, 595432), (32, 372145), (40, 297716), (80, 148858), (160, 74429), (263, 45280), (283, 42080), (526, 22640), (566, 21040), (1052, 11320), (1132, 10520), (1315, 9056), (1415, 8416), (2104, 5660), (2264, 5260), (2630, 4528), (2830, 4208)]