165071120

素因数分解:

$2^4\times 5^1\times {\mathrm{2063389}}^1$

素因数の和:2063402

約数の個数: 20

約数和(自身を含む): 383790540

約数和(自身を除く): 218719420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2063389, 4126778, 8253556, 10316945, 16507112, 20633890, 33014224, 41267780, 82535560, 165071120]

約数ペア:

[(1, 165071120), (2, 82535560), (4, 41267780), (5, 33014224), (8, 20633890), (10, 16507112), (16, 10316945), (20, 8253556), (40, 4126778), (80, 2063389)]