813048340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3127109}}^1$

素因数の和:3127131

約数の個数: 24

約数和(自身を含む): 1838740680

約数和(自身を除く): 1025692340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3127109, 6254218, 12508436, 15635545, 31271090, 40652417, 62542180, 81304834, 162609668, 203262085, 406524170, 813048340]

約数ペア:

[(1, 813048340), (2, 406524170), (4, 203262085), (5, 162609668), (10, 81304834), (13, 62542180), (20, 40652417), (26, 31271090), (52, 15635545), (65, 12508436), (130, 6254218), (260, 3127109)]