86890580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{620647}}^1$

素因数の和:620663

約数の個数: 24

約数和(自身を含む): 208537728

約数和(自身を除く): 121647148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 620647, 1241294, 2482588, 3103235, 4344529, 6206470, 8689058, 12412940, 17378116, 21722645, 43445290, 86890580]

約数ペア:

[(1, 86890580), (2, 43445290), (4, 21722645), (5, 17378116), (7, 12412940), (10, 8689058), (14, 6206470), (20, 4344529), (28, 3103235), (35, 2482588), (70, 1241294), (140, 620647)]