27820040

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1549}}^1$

素因数の和:2009

約数の個数: 32

約数和(自身を含む): 62775000

約数和(自身を除く): 34954960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1549, 1796, 2245, 3098, 3592, 4490, 6196, 7745, 8980, 12392, 15490, 17960, 30980, 61960, 695501, 1391002, 2782004, 3477505, 5564008, 6955010, 13910020, 27820040]

約数ペア:

[(1, 27820040), (2, 13910020), (4, 6955010), (5, 5564008), (8, 3477505), (10, 2782004), (20, 1391002), (40, 695501), (449, 61960), (898, 30980), (1549, 17960), (1796, 15490), (2245, 12392), (3098, 8980), (3592, 7745), (4490, 6196)]