56556620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{419}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 126372960

約数和(自身を除く): 69816340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 397, 419, 794, 838, 1588, 1676, 1985, 2095, 3970, 4190, 6749, 7123, 7940, 8380, 13498, 14246, 26996, 28492, 33745, 35615, 67490, 71230, 134980, 142460, 166343, 332686, 665372, 831715, 1663430, 2827831, 3326860, 5655662, 11311324, 14139155, 28278310, 56556620]

約数ペア:

[(1, 56556620), (2, 28278310), (4, 14139155), (5, 11311324), (10, 5655662), (17, 3326860), (20, 2827831), (34, 1663430), (68, 831715), (85, 665372), (170, 332686), (340, 166343), (397, 142460), (419, 134980), (794, 71230), (838, 67490), (1588, 35615), (1676, 33745), (1985, 28492), (2095, 26996), (3970, 14246), (4190, 13498), (6749, 8380), (7123, 7940)]