531434840

素因数分解:

$2^3\times 5^1\times {\mathrm{13285871}}^1$

素因数の和:13285882

約数の個数: 16

約数和(自身を含む): 1195728480

約数和(自身を除く): 664293640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13285871, 26571742, 53143484, 66429355, 106286968, 132858710, 265717420, 531434840]

約数ペア:

[(1, 531434840), (2, 265717420), (4, 132858710), (5, 106286968), (8, 66429355), (10, 53143484), (20, 26571742), (40, 13285871)]