51808820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19477}}^1$

素因数の和:19512

約数の個数: 48

約数和(自身を含む): 130892160

約数和(自身を除く): 79083340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 19477, 38954, 77908, 97385, 136339, 194770, 272678, 370063, 389540, 545356, 681695, 740126, 1363390, 1480252, 1850315, 2590441, 2726780, 3700630, 5180882, 7401260, 10361764, 12952205, 25904410, 51808820]

約数ペア:

[(1, 51808820), (2, 25904410), (4, 12952205), (5, 10361764), (7, 7401260), (10, 5180882), (14, 3700630), (19, 2726780), (20, 2590441), (28, 1850315), (35, 1480252), (38, 1363390), (70, 740126), (76, 681695), (95, 545356), (133, 389540), (140, 370063), (190, 272678), (266, 194770), (380, 136339), (532, 97385), (665, 77908), (1330, 38954), (2660, 19477)]