202160780

素因数分解:

$2^2\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{5351}}^1$

素因数の和:7249

約数の個数: 24

約数和(自身を含む): 424841760

約数和(自身を除く): 222680980

約数列:

[1, 2, 4, 5, 10, 20, 1889, 3778, 5351, 7556, 9445, 10702, 18890, 21404, 26755, 37780, 53510, 107020, 10108039, 20216078, 40432156, 50540195, 101080390, 202160780]

約数ペア:

[(1, 202160780), (2, 101080390), (4, 50540195), (5, 40432156), (10, 20216078), (20, 10108039), (1889, 107020), (3778, 53510), (5351, 37780), (7556, 26755), (9445, 21404), (10702, 18890)]