30742060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19457}}^1$

素因数の和:19545

約数の個数: 24

約数和(自身を含む): 65378880

約数和(自身を除く): 34636820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 19457, 38914, 77828, 97285, 194570, 389140, 1537103, 3074206, 6148412, 7685515, 15371030, 30742060]

約数ペア:

[(1, 30742060), (2, 15371030), (4, 7685515), (5, 6148412), (10, 3074206), (20, 1537103), (79, 389140), (158, 194570), (316, 97285), (395, 77828), (790, 38914), (1580, 19457)]