66399820

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{10607}}^1$

素因数の和:10929

約数の個数: 24

約数和(自身を含む): 139898304

約数和(自身を除く): 73498484

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 10607, 21214, 42428, 53035, 106070, 212140, 3319991, 6639982, 13279964, 16599955, 33199910, 66399820]

約数ペア:

[(1, 66399820), (2, 33199910), (4, 16599955), (5, 13279964), (10, 6639982), (20, 3319991), (313, 212140), (626, 106070), (1252, 53035), (1565, 42428), (3130, 21214), (6260, 10607)]