87388340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{336109}}^1$

素因数の和:336131

約数の個数: 24

約数和(自身を含む): 197632680

約数和(自身を除く): 110244340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 336109, 672218, 1344436, 1680545, 3361090, 4369417, 6722180, 8738834, 17477668, 21847085, 43694170, 87388340]

約数ペア:

[(1, 87388340), (2, 43694170), (4, 21847085), (5, 17477668), (10, 8738834), (13, 6722180), (20, 4369417), (26, 3361090), (52, 1680545), (65, 1344436), (130, 672218), (260, 336109)]