51015450160

素因数分解:

$2^4\times 5^1\times {\mathrm{637693127}}^1$

素因数の和:637693140

約数の個数: 20

約数和(自身を含む): 118610921808

約数和(自身を除く): 67595471648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 637693127, 1275386254, 2550772508, 3188465635, 5101545016, 6376931270, 10203090032, 12753862540, 25507725080, 51015450160]

約数ペア:

[(1, 51015450160), (2, 25507725080), (4, 12753862540), (5, 10203090032), (8, 6376931270), (10, 5101545016), (16, 3188465635), (20, 2550772508), (40, 1275386254), (80, 637693127)]