3130520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1283}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 7164720

約数和(自身を除く): 4034200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1283, 2440, 2566, 5132, 6415, 10264, 12830, 25660, 51320, 78263, 156526, 313052, 391315, 626104, 782630, 1565260, 3130520]

約数ペア:

[(1, 3130520), (2, 1565260), (4, 782630), (5, 626104), (8, 391315), (10, 313052), (20, 156526), (40, 78263), (61, 51320), (122, 25660), (244, 12830), (305, 10264), (488, 6415), (610, 5132), (1220, 2566), (1283, 2440)]