56445560

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1549}}^1$

素因数の和:2471

約数の個数: 32

約数和(自身を含む): 127224000

約数和(自身を除く): 70778440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1549, 1822, 3098, 3644, 4555, 6196, 7288, 7745, 9110, 12392, 15490, 18220, 30980, 36440, 61960, 1411139, 2822278, 5644556, 7055695, 11289112, 14111390, 28222780, 56445560]

約数ペア:

[(1, 56445560), (2, 28222780), (4, 14111390), (5, 11289112), (8, 7055695), (10, 5644556), (20, 2822278), (40, 1411139), (911, 61960), (1549, 36440), (1822, 30980), (3098, 18220), (3644, 15490), (4555, 12392), (6196, 9110), (7288, 7745)]