27771880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40841}}^1$

素因数の和:40869

約数の個数: 32

約数和(自身を含む): 66164040

約数和(自身を除く): 38392160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 40841, 81682, 163364, 204205, 326728, 408410, 694297, 816820, 1388594, 1633640, 2777188, 3471485, 5554376, 6942970, 13885940, 27771880]

約数ペア:

[(1, 27771880), (2, 13885940), (4, 6942970), (5, 5554376), (8, 3471485), (10, 2777188), (17, 1633640), (20, 1388594), (34, 816820), (40, 694297), (68, 408410), (85, 326728), (136, 204205), (170, 163364), (340, 81682), (680, 40841)]