13078840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17209}}^1$

素因数の和:17239

約数の個数: 32

約数和(自身を含む): 30978000

約数和(自身を除く): 17899160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 17209, 34418, 68836, 86045, 137672, 172090, 326971, 344180, 653942, 688360, 1307884, 1634855, 2615768, 3269710, 6539420, 13078840]

約数ペア:

[(1, 13078840), (2, 6539420), (4, 3269710), (5, 2615768), (8, 1634855), (10, 1307884), (19, 688360), (20, 653942), (38, 344180), (40, 326971), (76, 172090), (95, 137672), (152, 86045), (190, 68836), (380, 34418), (760, 17209)]