80321128

素因数分解:

$2^3\times {\mathrm{151}}^1\times {\mathrm{66491}}^1$

素因数の和:66648

約数の個数: 16

約数和(自身を含む): 151601760

約数和(自身を除く): 71280632

約数列:

[1, 2, 4, 8, 151, 302, 604, 1208, 66491, 132982, 265964, 531928, 10040141, 20080282, 40160564, 80321128]

約数ペア:

[(1, 80321128), (2, 40160564), (4, 20080282), (8, 10040141), (151, 531928), (302, 265964), (604, 132982), (1208, 66491)]