29986780

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3739}}^1$

素因数の和:4149

約数の個数: 24

約数和(自身を含む): 63146160

約数和(自身を除く): 33159380

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 3739, 4010, 7478, 8020, 14956, 18695, 37390, 74780, 1499339, 2998678, 5997356, 7496695, 14993390, 29986780]

約数ペア:

[(1, 29986780), (2, 14993390), (4, 7496695), (5, 5997356), (10, 2998678), (20, 1499339), (401, 74780), (802, 37390), (1604, 18695), (2005, 14956), (3739, 8020), (4010, 7478)]