30948040

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1693}}^1$

素因数の和:2161

約数の個数: 32

約数和(自身を含む): 69826680

約数和(自身を除く): 38878640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1693, 1828, 2285, 3386, 3656, 4570, 6772, 8465, 9140, 13544, 16930, 18280, 33860, 67720, 773701, 1547402, 3094804, 3868505, 6189608, 7737010, 15474020, 30948040]

約数ペア:

[(1, 30948040), (2, 15474020), (4, 7737010), (5, 6189608), (8, 3868505), (10, 3094804), (20, 1547402), (40, 773701), (457, 67720), (914, 33860), (1693, 18280), (1828, 16930), (2285, 13544), (3386, 9140), (3656, 8465), (4570, 6772)]