1565260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1283}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 3343536

約数和(自身を除く): 1778276

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1283, 2566, 5132, 6415, 12830, 25660, 78263, 156526, 313052, 391315, 782630, 1565260]

約数ペア:

[(1, 1565260), (2, 782630), (4, 391315), (5, 313052), (10, 156526), (20, 78263), (61, 25660), (122, 12830), (244, 6415), (305, 5132), (610, 2566), (1220, 1283)]