13345040

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1559}}^1$

素因数の和:1679

約数の個数: 40

約数和(自身を含む): 31337280

約数和(自身を除く): 17992240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1559, 1712, 2140, 3118, 4280, 6236, 7795, 8560, 12472, 15590, 24944, 31180, 62360, 124720, 166813, 333626, 667252, 834065, 1334504, 1668130, 2669008, 3336260, 6672520, 13345040]

約数ペア:

[(1, 13345040), (2, 6672520), (4, 3336260), (5, 2669008), (8, 1668130), (10, 1334504), (16, 834065), (20, 667252), (40, 333626), (80, 166813), (107, 124720), (214, 62360), (428, 31180), (535, 24944), (856, 15590), (1070, 12472), (1559, 8560), (1712, 7795), (2140, 6236), (3118, 4280)]