15215540

素因数分解:

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

素因数の和:4031

約数の個数: 24

約数和(自身を含む): 32121600

約数和(自身を除く): 16906060

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3823, 3980, 7646, 15292, 19115, 38230, 76460, 760777, 1521554, 3043108, 3803885, 7607770, 15215540]

約数ペア:

[(1, 15215540), (2, 7607770), (4, 3803885), (5, 3043108), (10, 1521554), (20, 760777), (199, 76460), (398, 38230), (796, 19115), (995, 15292), (1990, 7646), (3823, 3980)]