42071980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{31397}}^1$

素因数の和:31473

約数の個数: 24

約数和(自身を含む): 89672688

約数和(自身を除く): 47600708

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 31397, 62794, 125588, 156985, 313970, 627940, 2103599, 4207198, 8414396, 10517995, 21035990, 42071980]

約数ペア:

[(1, 42071980), (2, 21035990), (4, 10517995), (5, 8414396), (10, 4207198), (20, 2103599), (67, 627940), (134, 313970), (268, 156985), (335, 125588), (670, 62794), (1340, 31397)]