84870440

素因数分解:

$2^3\times 5^1\times {\mathrm{2121761}}^1$

素因数の和:2121772

約数の個数: 16

約数和(自身を含む): 190958580

約数和(自身を除く): 106088140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2121761, 4243522, 8487044, 10608805, 16974088, 21217610, 42435220, 84870440]

約数ペア:

[(1, 84870440), (2, 42435220), (4, 21217610), (5, 16974088), (8, 10608805), (10, 8487044), (20, 4243522), (40, 2121761)]