81885400

素因数分解:

$2^3\times 5^2\times {\mathrm{383}}^1\times {\mathrm{1069}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 191059200

約数和(自身を除く): 109173800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 383, 766, 1069, 1532, 1915, 2138, 3064, 3830, 4276, 5345, 7660, 8552, 9575, 10690, 15320, 19150, 21380, 26725, 38300, 42760, 53450, 76600, 106900, 213800, 409427, 818854, 1637708, 2047135, 3275416, 4094270, 8188540, 10235675, 16377080, 20471350, 40942700, 81885400]

約数ペア:

[(1, 81885400), (2, 40942700), (4, 20471350), (5, 16377080), (8, 10235675), (10, 8188540), (20, 4094270), (25, 3275416), (40, 2047135), (50, 1637708), (100, 818854), (200, 409427), (383, 213800), (766, 106900), (1069, 76600), (1532, 53450), (1915, 42760), (2138, 38300), (3064, 26725), (3830, 21380), (4276, 19150), (5345, 15320), (7660, 10690), (8552, 9575)]