801440

素因数分解:

$2^5\times 5^1\times {\mathrm{5009}}^1$

素因数の和:5024

約数の個数: 24

約数和(自身を含む): 1893780

約数和(自身を除く): 1092340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 5009, 10018, 20036, 25045, 40072, 50090, 80144, 100180, 160288, 200360, 400720, 801440]

約数ペア:

[(1, 801440), (2, 400720), (4, 200360), (5, 160288), (8, 100180), (10, 80144), (16, 50090), (20, 40072), (32, 25045), (40, 20036), (80, 10018), (160, 5009)]