71288810

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{90239}}^1$

素因数の和:90325

約数の個数: 16

約数和(自身を含む): 129945600

約数和(自身を除く): 58656790

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 90239, 180478, 451195, 902390, 7128881, 14257762, 35644405, 71288810]

約数ペア:

[(1, 71288810), (2, 35644405), (5, 14257762), (10, 7128881), (79, 902390), (158, 451195), (395, 180478), (790, 90239)]