81295730

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{17789}}^1$

素因数の和:18253

約数の個数: 16

約数和(自身を含む): 146660760

約数和(自身を除く): 65365030

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4570, 17789, 35578, 88945, 177890, 8129573, 16259146, 40647865, 81295730]

約数ペア:

[(1, 81295730), (2, 40647865), (5, 16259146), (10, 8129573), (457, 177890), (914, 88945), (2285, 35578), (4570, 17789)]