30431080

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3823}}^1$

素因数の和:4033

約数の個数: 32

約数和(自身を含む): 68832000

約数和(自身を除く): 38400920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3823, 3980, 7646, 7960, 15292, 19115, 30584, 38230, 76460, 152920, 760777, 1521554, 3043108, 3803885, 6086216, 7607770, 15215540, 30431080]

約数ペア:

[(1, 30431080), (2, 15215540), (4, 7607770), (5, 6086216), (8, 3803885), (10, 3043108), (20, 1521554), (40, 760777), (199, 152920), (398, 76460), (796, 38230), (995, 30584), (1592, 19115), (1990, 15292), (3823, 7960), (3980, 7646)]