80212456

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{383}}^1\times {\mathrm{557}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 154275840

約数和(自身を除く): 74063384

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 383, 557, 766, 1114, 1532, 2228, 3064, 4456, 18001, 26179, 36002, 52358, 72004, 104716, 144008, 209432, 213331, 426662, 853324, 1706648, 10026557, 20053114, 40106228, 80212456]

約数ペア:

[(1, 80212456), (2, 40106228), (4, 20053114), (8, 10026557), (47, 1706648), (94, 853324), (188, 426662), (376, 213331), (383, 209432), (557, 144008), (766, 104716), (1114, 72004), (1532, 52358), (2228, 36002), (3064, 26179), (4456, 18001)]