84265180

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{10831}}^1$

素因数の和:11229

約数の個数: 24

約数和(自身を含む): 177428160

約数和(自身を除く): 93162980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 10831, 21662, 43324, 54155, 108310, 216620, 4213259, 8426518, 16853036, 21066295, 42132590, 84265180]

約数ペア:

[(1, 84265180), (2, 42132590), (4, 21066295), (5, 16853036), (10, 8426518), (20, 4213259), (389, 216620), (778, 108310), (1556, 54155), (1945, 43324), (3890, 21662), (7780, 10831)]