30853880

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1061}}^1$

素因数の和:1799

約数の個数: 32

約数和(自身を含む): 69582240

約数和(自身を除く): 38728360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1061, 1454, 2122, 2908, 3635, 4244, 5305, 5816, 7270, 8488, 10610, 14540, 21220, 29080, 42440, 771347, 1542694, 3085388, 3856735, 6170776, 7713470, 15426940, 30853880]

約数ペア:

[(1, 30853880), (2, 15426940), (4, 7713470), (5, 6170776), (8, 3856735), (10, 3085388), (20, 1542694), (40, 771347), (727, 42440), (1061, 29080), (1454, 21220), (2122, 14540), (2908, 10610), (3635, 8488), (4244, 7270), (5305, 5816)]