87084860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{55117}}^1$

素因数の和:55205

約数の個数: 24

約数和(自身を含む): 185196480

約数和(自身を除く): 98111620

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 55117, 110234, 220468, 275585, 551170, 1102340, 4354243, 8708486, 17416972, 21771215, 43542430, 87084860]

約数ペア:

[(1, 87084860), (2, 43542430), (4, 21771215), (5, 17416972), (10, 8708486), (20, 4354243), (79, 1102340), (158, 551170), (316, 275585), (395, 220468), (790, 110234), (1580, 55117)]