1570851777680

素因数分解:

$2^4\times 5^1\times {\mathrm{19635647221}}^1$

素因数の和:19635647234

約数の個数: 20

約数和(自身を含む): 3652230383292

約数和(自身を除く): 2081378605612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19635647221, 39271294442, 78542588884, 98178236105, 157085177768, 196356472210, 314170355536, 392712944420, 785425888840, 1570851777680]

約数ペア:

[(1, 1570851777680), (2, 785425888840), (4, 392712944420), (5, 314170355536), (8, 196356472210), (10, 157085177768), (16, 98178236105), (20, 78542588884), (40, 39271294442), (80, 19635647221)]