80471660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{129793}}^1$

素因数の和:129833

約数の個数: 24

約数和(自身を含む): 174443136

約数和(自身を除く): 93971476

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 129793, 259586, 519172, 648965, 1297930, 2595860, 4023583, 8047166, 16094332, 20117915, 40235830, 80471660]

約数ペア:

[(1, 80471660), (2, 40235830), (4, 20117915), (5, 16094332), (10, 8047166), (20, 4023583), (31, 2595860), (62, 1297930), (124, 648965), (155, 519172), (310, 259586), (620, 129793)]