27953540

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3593}}^1$

素因数の和:3991

約数の個数: 24

約数和(自身を含む): 58869720

約数和(自身を除く): 30916180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3593, 3890, 7186, 7780, 14372, 17965, 35930, 71860, 1397677, 2795354, 5590708, 6988385, 13976770, 27953540]

約数ペア:

[(1, 27953540), (2, 13976770), (4, 6988385), (5, 5590708), (10, 2795354), (20, 1397677), (389, 71860), (778, 35930), (1556, 17965), (1945, 14372), (3593, 7780), (3890, 7186)]