6488180

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{809}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 13676040

約数和(自身を除く): 7187860

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 809, 1604, 1618, 2005, 3236, 4010, 4045, 8020, 8090, 16180, 324409, 648818, 1297636, 1622045, 3244090, 6488180]

約数ペア:

[(1, 6488180), (2, 3244090), (4, 1622045), (5, 1297636), (10, 648818), (20, 324409), (401, 16180), (802, 8090), (809, 8020), (1604, 4045), (1618, 4010), (2005, 3236)]