2078990120

素因数分解:

$2^3\times 5^1\times {\mathrm{51974753}}^1$

素因数の和:51974764

約数の個数: 16

約数和(自身を含む): 4677727860

約数和(自身を除く): 2598737740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 51974753, 103949506, 207899012, 259873765, 415798024, 519747530, 1039495060, 2078990120]

約数ペア:

[(1, 2078990120), (2, 1039495060), (4, 519747530), (5, 415798024), (8, 259873765), (10, 207899012), (20, 103949506), (40, 51974753)]