80431390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{618703}}^1$

素因数の和:618723

約数の個数: 16

約数和(自身を含む): 155913408

約数和(自身を除く): 75482018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 618703, 1237406, 3093515, 6187030, 8043139, 16086278, 40215695, 80431390]

約数ペア:

[(1, 80431390), (2, 40215695), (5, 16086278), (10, 8043139), (13, 6187030), (26, 3093515), (65, 1237406), (130, 618703)]