172712440

素因数分解:

$2^3\times 5^1\times {\mathrm{4317811}}^1$

素因数の和:4317822

約数の個数: 16

約数和(自身を含む): 388603080

約数和(自身を除く): 215890640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4317811, 8635622, 17271244, 21589055, 34542488, 43178110, 86356220, 172712440]

約数ペア:

[(1, 172712440), (2, 86356220), (4, 43178110), (5, 34542488), (8, 21589055), (10, 17271244), (20, 8635622), (40, 4317811)]