87988660

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{9931}}^1$

素因数の和:10383

約数の個数: 24

約数和(自身を含む): 185211936

約数和(自身を除く): 97223276

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 9931, 19862, 39724, 49655, 99310, 198620, 4399433, 8798866, 17597732, 21997165, 43994330, 87988660]

約数ペア:

[(1, 87988660), (2, 43994330), (4, 21997165), (5, 17597732), (10, 8798866), (20, 4399433), (443, 198620), (886, 99310), (1772, 49655), (2215, 39724), (4430, 19862), (8860, 9931)]