67685540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{260329}}^1$

素因数の和:260351

約数の個数: 24

約数和(自身を含む): 153074040

約数和(自身を除く): 85388500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 260329, 520658, 1041316, 1301645, 2603290, 3384277, 5206580, 6768554, 13537108, 16921385, 33842770, 67685540]

約数ペア:

[(1, 67685540), (2, 33842770), (4, 16921385), (5, 13537108), (10, 6768554), (13, 5206580), (20, 3384277), (26, 2603290), (52, 1301645), (65, 1041316), (130, 520658), (260, 260329)]