1335980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 2850288

約数和(自身を除く): 1514308

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 997, 1340, 1994, 3988, 4985, 9970, 19940, 66799, 133598, 267196, 333995, 667990, 1335980]

約数ペア:

[(1, 1335980), (2, 667990), (4, 333995), (5, 267196), (10, 133598), (20, 66799), (67, 19940), (134, 9970), (268, 4985), (335, 3988), (670, 1994), (997, 1340)]