68902280

素因数分解:

$2^3\times 5^1\times {\mathrm{1722557}}^1$

素因数の和:1722568

約数の個数: 16

約数和(自身を含む): 155030220

約数和(自身を除く): 86127940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1722557, 3445114, 6890228, 8612785, 13780456, 17225570, 34451140, 68902280]

約数ペア:

[(1, 68902280), (2, 34451140), (4, 17225570), (5, 13780456), (8, 8612785), (10, 6890228), (20, 3445114), (40, 1722557)]