84016360

素因数分解:

$2^3\times 5^1\times {\mathrm{2100409}}^1$

素因数の和:2100420

約数の個数: 16

約数和(自身を含む): 189036900

約数和(自身を除く): 105020540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2100409, 4200818, 8401636, 10502045, 16803272, 21004090, 42008180, 84016360]

約数ペア:

[(1, 84016360), (2, 42008180), (4, 21004090), (5, 16803272), (8, 10502045), (10, 8401636), (20, 4200818), (40, 2100409)]