2489496760

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{48661}}^1$

素因数の和:49951

約数の個数: 32

約数和(自身を含む): 5605862400

約数和(自身を除く): 3116365640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 2558, 5116, 6395, 10232, 12790, 25580, 48661, 51160, 97322, 194644, 243305, 389288, 486610, 973220, 1946440, 62237419, 124474838, 248949676, 311187095, 497899352, 622374190, 1244748380, 2489496760]

約数ペア:

[(1, 2489496760), (2, 1244748380), (4, 622374190), (5, 497899352), (8, 311187095), (10, 248949676), (20, 124474838), (40, 62237419), (1279, 1946440), (2558, 973220), (5116, 486610), (6395, 389288), (10232, 243305), (12790, 194644), (25580, 97322), (48661, 51160)]