81353210

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{34039}}^1$

素因数の和:34285

約数の個数: 16

約数和(自身を含む): 147052800

約数和(自身を除く): 65699590

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 34039, 68078, 170195, 340390, 8135321, 16270642, 40676605, 81353210]

約数ペア:

[(1, 81353210), (2, 40676605), (5, 16270642), (10, 8135321), (239, 340390), (478, 170195), (1195, 68078), (2390, 34039)]