8871620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 20003760

約数和(自身を除く): 11132140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 269, 340, 388, 485, 538, 970, 1076, 1345, 1649, 1940, 2690, 3298, 4573, 5380, 6596, 8245, 9146, 16490, 18292, 22865, 26093, 32980, 45730, 52186, 91460, 104372, 130465, 260930, 443581, 521860, 887162, 1774324, 2217905, 4435810, 8871620]

約数ペア:

[(1, 8871620), (2, 4435810), (4, 2217905), (5, 1774324), (10, 887162), (17, 521860), (20, 443581), (34, 260930), (68, 130465), (85, 104372), (97, 91460), (170, 52186), (194, 45730), (269, 32980), (340, 26093), (388, 22865), (485, 18292), (538, 16490), (970, 9146), (1076, 8245), (1345, 6596), (1649, 5380), (1940, 4573), (2690, 3298)]