28143080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100511}}^1$

素因数の和:100529

約数の個数: 32

約数和(自身を含む): 72368640

約数和(自身を除く): 44225560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100511, 201022, 402044, 502555, 703577, 804088, 1005110, 1407154, 2010220, 2814308, 3517885, 4020440, 5628616, 7035770, 14071540, 28143080]

約数ペア:

[(1, 28143080), (2, 14071540), (4, 7035770), (5, 5628616), (7, 4020440), (8, 3517885), (10, 2814308), (14, 2010220), (20, 1407154), (28, 1005110), (35, 804088), (40, 703577), (56, 502555), (70, 402044), (140, 201022), (280, 100511)]