80638690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31873}}^1$

素因数の和:31914

約数の個数: 32

約数和(自身を含む): 165234816

約数和(自身を除く): 84596126

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 31873, 63746, 159365, 318730, 350603, 701206, 733079, 1466158, 1753015, 3506030, 3665395, 7330790, 8063869, 16127738, 40319345, 80638690]

約数ペア:

[(1, 80638690), (2, 40319345), (5, 16127738), (10, 8063869), (11, 7330790), (22, 3665395), (23, 3506030), (46, 1753015), (55, 1466158), (110, 733079), (115, 701206), (230, 350603), (253, 318730), (506, 159365), (1265, 63746), (2530, 31873)]