1405120

素因数分解:

$2^6\times 5^1\times {\mathrm{4391}}^1$

素因数の和:4408

約数の個数: 28

約数和(自身を含む): 3346704

約数和(自身を除く): 1941584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4391, 8782, 17564, 21955, 35128, 43910, 70256, 87820, 140512, 175640, 281024, 351280, 702560, 1405120]

約数ペア:

[(1, 1405120), (2, 702560), (4, 351280), (5, 281024), (8, 175640), (10, 140512), (16, 87820), (20, 70256), (32, 43910), (40, 35128), (64, 21955), (80, 17564), (160, 8782), (320, 4391)]