55020920

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{7951}}^1$

素因数の和:8135

約数の個数: 32

約数和(自身を含む): 124528320

約数和(自身を除く): 69507400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 7951, 15902, 31804, 39755, 63608, 79510, 159020, 318040, 1375523, 2751046, 5502092, 6877615, 11004184, 13755230, 27510460, 55020920]

約数ペア:

[(1, 55020920), (2, 27510460), (4, 13755230), (5, 11004184), (8, 6877615), (10, 5502092), (20, 2751046), (40, 1375523), (173, 318040), (346, 159020), (692, 79510), (865, 63608), (1384, 39755), (1730, 31804), (3460, 15902), (6920, 7951)]