871840

素因数分解:

$2^5\times 5^1\times {\mathrm{5449}}^1$

素因数の和:5464

約数の個数: 24

約数和(自身を含む): 2060100

約数和(自身を除く): 1188260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 5449, 10898, 21796, 27245, 43592, 54490, 87184, 108980, 174368, 217960, 435920, 871840]

約数ペア:

[(1, 871840), (2, 435920), (4, 217960), (5, 174368), (8, 108980), (10, 87184), (16, 54490), (20, 43592), (32, 27245), (40, 21796), (80, 10898), (160, 5449)]