131016640

素因数分解:

$2^6\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1069}}^1$

素因数の和:1469

約数の個数: 56

約数和(自身を含む): 313090560

約数和(自身を除く): 182073920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 383, 766, 1069, 1532, 1915, 2138, 3064, 3830, 4276, 5345, 6128, 7660, 8552, 10690, 12256, 15320, 17104, 21380, 24512, 30640, 34208, 42760, 61280, 68416, 85520, 122560, 171040, 342080, 409427, 818854, 1637708, 2047135, 3275416, 4094270, 6550832, 8188540, 13101664, 16377080, 26203328, 32754160, 65508320, 131016640]

約数ペア:

[(1, 131016640), (2, 65508320), (4, 32754160), (5, 26203328), (8, 16377080), (10, 13101664), (16, 8188540), (20, 6550832), (32, 4094270), (40, 3275416), (64, 2047135), (80, 1637708), (160, 818854), (320, 409427), (383, 342080), (766, 171040), (1069, 122560), (1532, 85520), (1915, 68416), (2138, 61280), (3064, 42760), (3830, 34208), (4276, 30640), (5345, 24512), (6128, 21380), (7660, 17104), (8552, 15320), (10690, 12256)]